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.
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.
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".moreless
After Mike's ugly altercation with a cab driver is captured on video and broadcast on TV, he's forced to attend anger management classes the week he decides to quit smoking and drinking; Ruben's mother wants him to apologize to the perp he's forced to shoot.
The squad rushes out to sample the services at a massage parlor to make sure it's legit; Jan's collar, a homeless man, turns out to be a high school classmate; a grateful senior citizen has designs on Ruben.
A bag with a severed foot is found, prompting a visit to some mob contacts and a few practical jokes; Mike secretly does a background check on Jan's new boyfriend; Toni is groped on the subway.
All hell breaks lose when Frank loses a perp inside the precinct; Mike stumbles on the perp (who doesn't speak any English) and is taken hostage at gunpoint; Ruben and Al are sent on a mysterious mission.
Mike's all over the case when Elizabeth Hurley files a harassment complaint; fearing that Mike is a bad influence on her husband, Adina wants Pip to get another partner; after Elizabeth asks Mike out on a date, they become the talk of the town.