Frank's reunited with the son he never knew; Jan's medical secret isn't safe with O'Neill; Pip's patrol car is stolen while he's shopping.

After getting into trouble for posing as a firefighter in an unorthodox drug bust, Mike is forced to take a vacation in Miami, but he can't relax when he suspects one of his most wanted fugitives is staying at his hotel.

Mike suspects that Frank is gay, and soon the whole squad is trying to get Frank and each other out of the closet; Jan's and Pip's shopping trip to an electronics store turns into an unexpected bust.

Mike has Reuben and Al spy on Karen and his neighbor at the park.

Toni threatens to tell Karen about her affair with Mike; Frank is hospitalized with chest pains; the squad investigates an elderly man who may have killed his wife.

Pip and Adina celebrate their 25th anniversary with a no-smoking, no-drinking barbecue attended by church friends, the squad, Mike, Karen and Toni; an impromptu bar and a brawl break out soon after in the backyard.

Toni blackmails Mike into meeting her parents; Jan dates a cop with a secret; Tommy courts a rageaholic.

Mike promises Karen that he'll quit drinking, just to prove he really doesn't have a problem; the squad has second thoughts about busting a pot party; Mike discovers the joys of abusing cold medicine.

Mike suspects that Toni is cheating on him with her boss; Frank heads to the track with Tommy to place bets using police department money; Jan and Ruben both vie for a gorgeous apartment left vacant by a murder.

Mike scams his way into taking over Ruben's moonlighting as a security guard for Gina Gershon; Frank and the rest of the squad follow suit and jump on the personal security business bandwagon; Adina suspects Pip is cheating on her; Jan discovers Al has a surprising sideline.

Tommy lifts a telescope from a crime scene, which prompts hours of fun for the squad when they spy a topless yoga practitioner; Jan meets a good prospect when she tries "speed dating"; Frank repeatedly tries to return a dead body to its rightful precinct.

When Mike, Pip and Jan are assigned to find a missing ballerina, they discover that her whereabouts may be linked to Frank's favorite new soup; Ruben is touched by a self-proclaimed mystic who's disrupting Central Park.

Mike and Pip are less than thrilled when they're assigned to take the District Attorney's twelve-year-old daughter on a ride-along for her school paper, especially when they lose her in the city; Frank disguises himself as a priest to draw out a confession; members of the squad encounter an unusual "nun".