When the guys save a landlord with a nut allergy, Johnny finds the perfect apartment to share with Theresa, and his relationship with her enters a new "territory." Brian tries to understand his relationship with Voodoo.
The murky relationship between the caregiver and the cared-for is exposed when Johnny encounters an overly grateful patient and Brian agrees to escort an injured young woman to her prom.
The guys consider ideas of fate and serendipity when random events occur; Johnny is upset to learn that Theresa does not believe destiny had a hand in their being together.
After saving a local mobster, Brian encourages the guys to make changes in the rig. Hank considers the worst person he has ever helped. Billy looks for a neighborhood pony.
Johnny, Theresa, Billy and Maeve begin to play tennis together; Cash helps Hank shop for his mother's birthday gift; Brian rides along with Voodoo and Stats.
Johnny and his mom deal with his dad's slipping into a coma in very different ways: He tries to repay an old debt while she places bets on what time her former husband will die. In other events, the guys can't rid themselves of an unfortunate earworm.
In the Season 2 finale, the guys treat a man who fears hospitals. In other events, Brian confronts his fear of moving out; and Johnny has a fear realized when Billy temporarily moves in with him and Theresa.
