Sarah zeros in on a Larsen-family secret; Stan comes to grips with some past indiscretions; and Mitch takes in a runaway girl. Meanwhile, the Richmond campaign entertains a surprise visitor.

Sarah zeros in on a Larsen-family secret; Stan comes to grips with some past indiscretions; and Mitch takes in a runaway girl. Meanwhile, the Richmond campaign entertains a surprise visitor.

The Baratheon rivalry ends, driving Catelyn to flee and Littlefinger to act. At King’s Landing, Tyrion’s source alerts him to Joffrey’s defense plan – and a mysterious secret weapon. Theon sails to the Stony Shore to prove he’s worthy to be called Ironborn. At Harrenhal, Arya receives a promise from Jaqen H’ghar, one of the prisoners she saved from the Gold Cloaks. The Night’s Watch arrive at the Fist of the First Men, an ancient ringfort where they hope to stem the wildings’ advance.

The teams on both sides fight on for a common cause, and there are shocking developments tied to the Cortexiphan children.

The teams on both sides fight on for a common cause, and there are shocking developments tied to the Cortexiphan children.

After the Amanda Tanner case takes a shocking turn, one-time friends Olivia and Cyrus take heated, opposing viewpoints, and Cyrus tries to help in investigating the personal lives of Olivia and her associates. Meanwhile Olivia and her team help a dictator locate his wife and children who have been allegedly kidnapped, and Quinn goes out with a reporter seeking information.

Jane and the CBI try to find the killer of a man found outside a cabaret featuring female impersonators. During the investigation they discover a list of suspects, all of whom bullied the victim.

In a homage to Law & Order, the study group investigate a crime when someone sabotages their science experiment. When they discover the perp, Annie plans on prosecuting them to the fullest extent of Greendale’s Code of Conduct.

Martin attempts to find Teller’s mysterious workshop and winds up aiding another professor, Logan, to win big at poker. Meanwhile, a young Italian man creates a viral video to track down the love of his life, whom he only met in passing, and a city slicker who plans to sell off his dead father’s ranch, winds up learning a lesson from a horse that makes him appreciate the rural life his father chose. Then, Martin’s sister-in-law, Abigail Kelsey, visits Clea and Jake at the board-and-care facility, much to Martin’s dismay.

Carter and Andy are jailed for trying to steal a piece of equipment to complete a device that Kevin has assembled to search for the Astraeus crew. Meanwhile, Holly comes up with a dangerous theory.