On the way to a well-deserved vacation, Nan stops by her estranged father's place, only to find he's selling the family home; Martin runs off into the woods hoping to prove he's wild and free like a wolf.
Nan discovers that her ad campaign, which is about to launch on the Times Square jumbotron, might have been replaced with explicit photos; Martin decides to reduce Nan's stress by taking out Pepper, his sworn enemy.
Martin's seventh birthday is disrupted by the arrival of Nan's friend Jenn and her new puppy; Nan and Jenn go out for a night on the town.
When Nan, Jenn and Kevin travel to New York for a marketing meeting, Martin takes advantage of his time with Jason by going on a trash-eating bender.
Hoping to score a date, Nan asks an attractive dog owner for help with Martin; the man's better-behaved pooch inspires a crisis of self-confidence in Martin.
Nan brings Martin to work with her, hoping to keep her boss from further interfering in her ad campaign.
When Nan installs an automatic dog door so Jason can still walk Martin, Martin believes he's using his mind to open the door; Nan's boss spirals into confusion as he struggles to understand the new ad campaign she sold.
Nan struggles with a breakup and Martin's bad behavior, as he acts out in response to her newly busy work schedule.