Karen dates Justin, the man who won't stop crying; Louise becomes addicted to stealing; Donna finds out that Karl is going to make money selling the house that she bought with him.
Louise celebrates her birthday with the girls, but after a fight with Karen she moves out.
Tanya doesn't appreciate Donna's counseling advice; Louise manages the restaurant; Karen adopts a cat with cancer.
Karen considers a career change.
Donna has no plans for Friday night.
Louise's alcoholic, man-crazed mother moves in.
Karen discovers she's pregnant and Louise tells Billy; Donna is trying to distract herself from Karl leaving but bumps into him on a date.
Donna celebrates her thirtieth birthday by sleeping with Louise's supposedly gay boss and meeting a great new guy.
Donna's mood is bleak as she approaches her 30th birthday.
Donna feels compelled to look after her suicidal ex-fiance.
Louise falls in love with Karen's latest conquest; Donna persuades Karl to set her up with an elite employment agency; Karen quits teaching to live the life of a free-spirited alcoholic.
In a drunken state Donna declares her wedding off and turns up at Karen and Louise's with everything she owns.