Alicia and Will go to trial unprepared when they learn that an impending Supreme Court ruling could result in Colin Sweeney being jailed for life. Diane reunites with Kurt but is forced to reevaluate the relationship.
Jon meets the King-Beyond-the-Wall while his Night Watch Brothers flee south. In King’s Landing, Tyrion wants a reward, Margaery shows her charitable nature, Cersei arranges a dinner party, and Littlefinger offers to help Sansa. Across the Narrow Sea, Daenerys starts her journey west.
Sarah, a streetwise hustler on the run from a lifetime of bad decisions, witnesses the suicide of a stranger who looks just like her. Sarah assumes her identity, hoping that cleaning out the dead woman’s bank account will solve all of her problems. Instead, the street smart chameleon is thrust headlong into a kaleidoscopic mystery. After taking on the new identity, Sarah quickly finds herself caught in the middle of a deadly conspiracy and must race to find answers.
As Martin tracks down a man Jake led him to, he discovers that he was Dr. Teller’s first patient and is now on death row.
The team find themselves working for the devil when Hollis Doyle’s daughter is kidnapped and held for ransom. Meanwhile, David is still in danger and is forced to seek shelter at Pope & Associates; Olivia and Jake take their flirtatious relationship to the next level even as the President continues to rely on Jake for intel; in the White House, Cyrus will stop at nothing to get back into the President’s good graces; and Mellie’s claws come out when she tells Fitz he needs to make some changes.
Claire and Cam bring in a third party (Wendi McLendon-Covey) when they reach an impasse on a landscaping decision; Phil teaches basic fix-it skills to the kids; Mitch helps Lily with a bully.
Frankie’s sister (Molly Shannon) offers to help at the house while Frankie studies for her finals for dental-assistant school; Axl tries not to act jealous when Cassidy’s ex-boyfriend visits.
An angry resident of The Glades who calls himself “The Savior” embarks on a kidnapping and killing spree to punish those he believes have wronged the residents of his neighborhood. To make things worse, he broadcasts these murders online and claims he was inspired by Arrow’s vigilantism. Oliver is horrified by this statement and vows to stop “The Savior,” but his manhunt in intensified after Thea comes to him in tears and tells him Roy has been kidnapped. Laurel is surprised when her father starts to believe her mother’s claim that Sara is still alive. Meanwhile, Malcom tells Moira to find the person responsible for his attempted murder.
When a man is found dead in an industrial cake mixer, Castle and Beckett trace the murder to an Irish gang in Staten Island and a beautiful bar owner named Siobhan O’Doul (Cara Buono). Much to everyone’s surprise, Detective Ryan has a complicated history with Siobhan and the Staten Island crime family from his days working undercover in narcotics. When the case hits a dead end, Ryan must go back undercover to expose the killer, complicating his relationship with his wife.
Ted and Barney’s future versions attempt to persuade present day Ted to go see Robots Versus Wrestlers. Marshall and Robin have a dance-off.