Mr Carson and Mrs Hughes' wedding is fast approaching, but amisunderstanding threatens to derail the occasion, and whenthe big day arrives it also brings a few unexpected guests.Meanwhile, Edith reconnects with an old acquaintance, whocomes to her aid in her hour of need, and over at the DowerHouse, Spratt has something to hide, meaning Denker is hot onhis trail. Daisy jumps to conclusions over one of thecountess's plots, and tensions mount over the hospitaltakeover, prompting Isobel to offend a friend.
Louisa and Martin have their first therapy session together -though neither of them was expecting they would be givenhomework. Morwenna is not amused when a teenager on workexperience starts trying to boss her around in the surgery. MrsTishell is surprised when her husband Clive returns and tellsher he wants to give things another go, and Louisa has to callMartin when one of her pupils collapses during a schoolexcursion.
D.B. Russell, a civilian specialist, transfers from Las Vegasto become the director of the newly created division of NextGeneration Cyber Forensics. He joins Avery and her team as theytrack down the most dangerous cyber criminals, beginning withthe hacking of a home security system that turns into ahomicide investigation. Also, Avery considers moving to a newposition within the hierarchy of the FBI, Krumitz is a witnessin his sister's trial, Elijah deals with a delicate familysituation and more is revealed about both Nelson's and Raven'sbackgrounds.
When the body of a local college fraternity student is foundgruesomely murdered, Castle has to go undercover as aprofessor in order to gain access to the victim's world.However, he and Beckett soon discover that behind the fun andgames of college are some darker secrets the university wantsto keep hidden.
The Nine-Nine gets another personnel change that could put Jakeand Amy's budding relationship at risk. Meanwhile, Terryassists Holt with an important public relations matter, andRosa and Gina try to convince Charles to rethink his affectionfor a fellow officer.
Wick scrambles to hide his involvement in the robbery. Thearrival of Hap's daughter Lacey stokes a rivalry with Carla.Billy agrees to another deal with Hap without first consultingCody.
An infamous crew of thieves almost pulls off the perfect jewelheist, except one thief - with a Navy SEAL tattoo identical toJane's - is captured at the scene of the crime. Does this manknow Jane? Meanwhile, Jane receives a visit - and an ambiguouswarning - from the mysterious bearded man from her first memoryas Weller and Mayfair struggle with Jane's role on the team.
The guys' science skills are put to the test when they get aflat tire during Leonard's bachelor party weekend in Mexico.Also, the girls force Penny to finally tell her family thatshe eloped with Leonard.
Bourdain and his travel companion, chef Eric Ripert (LeBernardin), visit France's oldest city to experience its stewof cultures and cuisines, indulging in chef Gerald Passedat'sfamous bouillabaisse, the classic pied et paquets, Algeriancouscous and as much salumi and Corsican cheeses as they canhandle. The pair also meet crime novelist Cedric Fabre,esteemed chef Georgiana Viou, and journalist Gilles Rof.
Noah and Helen try for amicable divorce proceedings, butcomplications indicate inescapable conflict. Surprisingdevelopments in Helen's life reveal unexpected emotions.