The death of a close friend makes Natalie realize her feelings for Nick, forcing him to choose between her and eternal life.
Nick and Tracy track a series of mysterious murders, which eventually leads them to Lacroix's daughter, a vampire with a vengeance.
A seductress from the past is reincarnated as a murderer and Nick faces her in a final battle from which only one of them can survive.
Concerned over Capt. Reese's obsession with a murder investigation, Nick discovers the main suspect is a racist from Reese's past.
Nick and Natalie assume temporary custody of a mentally challenged teenage boy while investigating the murder of a popular wrestler.
When a battered woman is murdered in a shelter, her daughter's testimony has Nick and Tracy searching for the woman's husband.
When a police sketch artist produces Janette's image as a suspect in an arson investigator's murder, Nick searches for the truth.
As Nick investigates the murder of a software designer, he indulges in a virtual reality game that rekindles his desire for blood.
Nick, Tracy and Natalie face ghosts from the past when they investigate an accidental death at a house believed to be haunted.
Nick races against time to find a cure for a virus that was designed to combat AIDS, but is lethal to vampires.
When a popular singer seeks drug rehabilitation therapy from a controversial psychotherapist, Nick suspects foul play.
Nick is possessed by a powerful demon when an investigation puts him in the midst of an exorcism ritual.
Lacroix and Natalie (Nigel Bennett, Catherine Disher) step in when Nick (Geraint Wyn Davies) is pronounced dead by emergency room doctors. With Blu Mankuma.
Nick and Tracy investigate the black market for human organs when an autopsy reveals a murdered woman's heart was surgically removed.
Tracy ignores orders to take some time off and investigates the murder of an escort service employee until Vachon blows her cover.
Lack of blood at a murder scene prompts Nick and Tracy to search for a vampire with multiple personalities, two of which are mortal.
When a popular talk show producer will do anything to boost ratings, Tracy (Lisa Ryder) becomes his victim. With Geraint Wyn Davies, Catherine Disher.
When a serial rapist is attacked by a vicious dog, Nick suspects a carouche, a lower form of vampire that feeds on animals, may be on the loose.
Betrayal and murder put Nick (Geraint Wyn Davies) in the midst of a legal battle over American Indian land rights. With Nigel Bennett, Jack Burning, Michelle Thrush.
A young woman's murder at a club known to cater to drug dealers and their clientele complicates an ongoing narcotics investigation.
Nick and Vachon join forces to save Tracy from Vudu while another vampire helps rid the city of explosives.
After Nick arrests an escaped mental patient for murder, another killing suggests someone else is responsible.
LaCroix has to step in to avert trouble when Schanke's inquiries into Nick's background all but reveal his partner's secret.
Nick (Geraint Wyn Davies) struggles with his conscience when a woman (guest star Denise Virieux) from his past complicates a murder investigation. With Page Fletcher, John Kapelos.
Nick becomes involved with near-death experiments while investigating the unexplained demise of a young doctor.
Nick (Geraint Wyn Davies) wrestles with guilt when a girl dies because he refused to reveal his powers. With John Kapelos, Catherine Disher.
Schanke becomes involved in an ex-partner's plan to sway a murder investigation, and it's up to Nick to rescue his friend before his career is ruined.
The discovery of a murdered physicist's predictions of a meteor colliding with Earth spreads panic among mortals and vampires.
A cursed antique harp becomes the focal point of Nick's investigation into the death of a wealthy older woman.
The competition between the two partners increases dramatically when Schanke moves in with Nick after separating from his wife.
The son of a prestigious financier is framed for his father's murder; Nick's investigation of the case recalls LaCroix's lesson that greed breeds tragedy.
A psychopath who burns his victims alive targets a band of homeless people; the case rekindles disturbing memories for Capt. Cohen and Natalie.
Nick's investigation into the death of two women who received valentines from their killer prompts him to admit his true feelings for Natalie.
Nick risks the wrath of Internal Affairs when he continues to look into the alleged suicide of a fellow officer.
After continuing to pursue a murder case against orders, Nick finds he may have been after the wrong man.
An overzealous actress shadowing Nick on an investigation ends up providing him with another murder to solve.
One of Nick's prime suspects in the death of a Vietnam veteran is a parole officer with a dark secret.
The head of a crime family turns to LaCroix for help in forcing the don's grandson into assuming leadership of the syndicate.
Natalie's young niece is murdered but lab tests and a lineup fail to provide enough evidence to hold the suspected killer.
Nick (Geraint Wyn Davies) joins a cult to investigate the death of a city official's son, then disappears. With John Kapelos, Catherine Disher.
A killer is stalking and killing the city's most dangerous criminals for sport, so Nick and Schanke go under cover to stop her.
A woman convicted of murder and sentenced to death flees the authorities, only to be caught by Nick and Schanke who believe she may be innocent.
When Nick recognizes a murder victim as an associate of a longtime friend, he becomes frantic to find the woman before she also is killed.
Nick puts himself in danger when he teams up with a vampire hunter to track down an evil murderer Nick should have destroyed a century ago.
Nick falls in love with the author of a series of realistic vampire novels, a woman whom vampire master LaCroix had decreed must die.
A friend of Nick's is outraged when he is unable to come up with enough evidence to hold the prime suspect in the murder of a prostitute.
A vampire wishing to atone for his evil to regain his mortality discovers his former vampire master is searching for him.
Nick is forced to confront unresolved feelings for an old flame when he falls for a woman who resembles her.
It is up to Nick (Geraint Wyn Davies) to find a way out when he and Natalie (Catherine Disher) are held hostage in the station.
When Stonetree (Gary Farmer) is accused of shooting an innocent boy, he turns to Nick (Geraint Wyn Davies) to help clear his name.
Nick tries to stop another vampire who is posing as a plastic surgeon and injecting her own blood into patients to give them eternal youth.
Nick tries to repress his vampirism practices, but when his desires become too much for him, he must fight the urge to go on a murder spree.
Vampire enforcers try to eliminate a television crew that has been following Nick and Schanke after they witness Nick's vampire activities.
Natalie is stalked by a killer who meets his victims through a dating service, and she learns the truth about Nick's secret past.
Nick and Schanke (Geraint Wyn Davies, John Kapelos) are assigned to protect a rock star whose life has been threatened.
Nick (Geraint Wyn Davies) investigates the murder of a unscrupulous journalist who was blackmailing a mayoral candidate.
Nick (Geraint Wyn Davies) is assigned to baby-sit for a troubled 10-year-old girl who witnessed a mob assassination.
After a police captain's wife shoots a man who attempted to rape her, Nick (Geraint Wyn Davies) suspects a cover-up.
Nick (Geraint Wyn Davies) races against time to save Schanke's (John Kapelos) life when he becomes the target of an assassin.
Nick befriends a pop radio psychiatrist who loses confidence when a caller commits murder during her show.
When Natalie's brother is killed by a gunman, she begs Nick to turn him into a vampire so he can live forever.
While protecting a girl from a vicious Chinese gang, Nick encounters the man he believes killed his mother 40 years earlier.
Nick considers committing perjury to ensure the conviction of a known pornographer who kills a "snitch" who was aiding his investigation.
When Nick works with a psychic on the kidnapping of a pair of prominent Toronto socialites, he fears she will learn his dark secret.
Nick becomes entangled in the deadly web of an attractive dancer known for manipulating men and coldblooded murder.
Nick's (Geraint Wyn Davies) investigation into a prominent doctor's apparent suicide reveals he was actually murdered.
Nick must overcome his vampiric fear of crosses to apprehend a murderer who claims to be killing in the name of God.
Nick locates and destroys the vampire LaCroix, but when the serial murders continue and a friend is killed, he must find a new solution.
A bizarre string of murders recalls Nick's painful past when he suspects they may be the work of the man who made him a vampire.