The gloves are coming off as the fleet fights for their seasongoals. Captain Vernon Adkison and Captain Emily Riedel look forlast-minute new hires to get them the gold as the summer startsto come to an end.
Bonds are tested and broken as two family teams split up. Onthe Eroica, Emily struggles to discipline her divers and itbackfires on her. But disaster turns into opportunity as Krisbuys a piece of a dredge.
The remaining women need keep up their food and water supply toavoid any risk to their health. After one of the group's twoprecious water cans is jettisoned they unknowingly set-off achain reaction with huge consequences that leaves the wholechallenge in threat.
When Kate’s niece, Meg, and her best friend, Markayla,are kidnapped, the BAU suspects an online predator engaged insex trafficking who poses as a teenage boy.
As District 21 is struggling to come to terms with the loss ofone of the team they are forced to put their personal feelingsaside when a café is bombed. The unit has several suspects andonly one good eye-witness, who happens to be a minor. Halsteadpulls some strings to convince the mom to let him questionIsabella on what she saw. Atwater finds himself in hot waterwhen he makes a crucial mistake. Thanks to the tech savvy Mousethe team is able to gain important intel that could help solvethe case. Meanwhile Voight helps Platt when she comes upagainst several roadblocks in an attempt to get a memorialstone for their fallen member.
Ben returns home and tries to get his life together while Jackcontinues working on his films; Del pursues a budding loveinterest; and Malloy and Zdorkin work together to uncoverScoles's involvement with the case they're investigating.
While Alan and Diana enjoy a romantic dinner, the boys arethreatened at gunpoint, and an unexpected turn of eventsleaves them tasked with unforeseen challenges.
Dean and Sam investigate a bizarre murder and realize thekiller bears the same tattoo as those from the Styne family.Eldon Styne attacks Dean and a brutal fight ensues. Meanwhile,Castiel acts as referee when Charlie and Rowena are forced towork together on the Book of the Damned. Crowley discovers hismother is missing and knows she's up to something so he turnsto an old enemy for help.