After Phil and Claire have a huge fight, Gloria steps in to counsel Phil while Jay counsels Claire. Jay has some regret in buying Gloria a karaoke machine. Cameron is in full prep mode for a huge fund-raising event and asks Mitchell and Luke for help.
Neal is forced to make a dangerous deal with Matthew Keller’s former adversary in order to save his partner and friend.
Diane represents ballistics expert Kurt McVeigh in a lawsuit. Eli takes an interest in Wendy’s illegal nanny.
Erica, seeking revenge against Anna, heads to Hong Kong to carry out a mission to strike a lethal blow against Anna. Meanwhile, Anna learns that Tyler’s phosphorous level is too low – even after the Red Rain — and he might become useless to her; and Lisa and Diana bond, beginning to form an alliance against Anna.
Castle and Beckett investigate the apparent robbery-homicide of a New York cab driver, only to discover that the victim was involved in a mysterious conspiracy with unimaginable consequences. As the stakes continue to rise, hard-charging federal agent Mark Fallon takes over the investigation. Together, Fallon, Beckett and Castle must race to unmask the truth about the victim before it’s too late.
Marshall becomes obsessed with saving the environment after seeing a documentary on garbage. Ted runs into The Captain. Barney admits he has feelings for a woman.
A series of Fringe events leads the team to the home of a woman grieving over the death of her husband, while Peter and Olivia make an effort to repair the emotional rift between them.
When a modern-day prospector is found dead near a mining site and Lisbon is injured during the initial stages of the investigation, Agent Hightower joins Patrick Jane in the field for the first time.
When Pierce lands in the hospital, he believes he’s dying and gives the study group specific gifts that are actually meant to torment them. Britta wonders what to do with a blank check for “charity,” Jeff ponders the idea of meeting his father, and Troy gets to meet LeVar Burton, while Abed films the whole thing for a documentary.
