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.

The guys treat an overly-ambitious gym rat; Johnny and Hank get free passes at a health club; Voodoo tests Brian's limits.

Johnny and Hank are horrified when they find out they have to ride along on Brian's first night shift.

Johnny must deal with his prejudice against rich, white men when Hank begins dating his landlord; Billy helps Brian work through heartbreak.

A car crash at a firehouse releases an unusual passenger; and Billy accompanies Theresa and Maeve to a sample sale.

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.

A drunken brawl among sports fans reverberates at a family barbecue, where disputes occur over a new gas grill.

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.

After observing the respect that Theresa receives on the job, Johnny gets the guys to revive an old program in order to get a little respect for EMTs.