Voight's son may be involved with the Fitori murder case, intensifying tension between Antonio and Voight; Ruzek helps Burgess get retribution.
Liv steps out of her comfort zone when she meets charming Brit, Ron. Jessica and Fab compete over the handsome bartender while Tom learns how to be a wingman.
Tony Warner's performance as Macbeth is the toast of London's West End. It would be very bad luck indeed if he was suddenly indisposed in some way. Except for Jim, his ever-hopeful understudy, of course.
Ben tries to score a second date with Heather in order to win a wager with Riley. Elsewhere, Bonnie asks Danny to end her relationship with Brad for her, and then she becomes interested in Brad's dad and Tucker uses Emma to improve his dating life.
One of Billy's friends with muscular dystrophy dies forcing the realization on the guys that Billy doesn't have much time left. Jim copes by chasing after the dead guy's sister.
Brick makes it hard for Mike to relax during the vacation he was forced to take; Frankie is furious when she learns that Axl was in town without letting her know; Sue tries extra hard to please her customers after receiving a bad review.
As Philip investigates the fallout from the last operation, Elizabeth sticks close to home, concerned for her family until she gets a mysterious distress signal. Meanwhile, a walk-in arrives at the Rezidentura - providing both Nina and Stan with unique opportunities.
Abbi and Ilana ride out an upcoming storm with their number twos and number threes Jaim, Lincoln and Jeremy but are unfortunately also joined by Bevers and his sister game of Who Done It plays out while the hurricane rages outside.
When George becomes enamored with Chatswins latest hotspota juice bar, Tessa reminds him of their pact to not get sucked into Chatswin culture. This inspires George and Fred to take a trip to New York, which doesnt turn out the way George had planned. Meanwhile, Tessa is pressured into attending Evans birthday party and reveals what she really thinks of him.
Cameron is in charge of the schools big spring dance, but when a popular teacher returns from sabbatical, a bit of not-so-friendly competition blooms. And with Claire on chaperone duty at the dance, Phil gets Haley to accompany him to his annual realtors banquet and is looking forward to impressing his little girl. Elsewhere, Mitch starts a new job and cant seem to get a good read on the new boss or the work environment. Jay and Gloria babysit Lily and an accident with Glorias purse ignites a case of whodunit and its Lilys word against baby Joes.
The castaways' spirits are drenched by a monster monsoon. Meanwhile, two castaways form a blue-blooded alliance, and the Brains must win a challenge to avoid another trip to tribal council.
A party at his new girlfriend's (guest star Molly Simms) house has Gibbs (James Lesure) in danger of becoming a suburbanite. When Tyler (Michael Cassidy) offers to help support him, Milo (Danny Masterson) learns the truth about their apartment's rent.
Grandad is ill, which brings Auntie Angela and her new friend over from America.
A cover-up comes back to haunt Nick and Ben, pitting them against Gendron. Nicks frustrations mount when Ben encroaches on his personal life.
In the present, Slade visits Oliver and makes his intentions clear. Five years earlier, Slade, Sara, and Oliver launch their assault on the Amazo, but things go wrong when Slade learns that Oliver was responsible for Shado's death.
The BAU must determine the true cause and motive when several drowned people are discovered in the Las Vegas desert.