Sadie confronts Billy about new evidence in the case against him and is disappointed when his explanation is not what she expected. Also, a piece of evidence in a new case for the firm could unexpectedly expose a massive scandal, and Cameron and Tiffany defend a psychic accused of grand larceny.

Ben helps Rosie trick her dad into calling her mom. While leading the kids on an islandwide search on horseback for Raven, Zoe has it out with Mia.

As an unsettling rebellion begins to take hold in camp, the Culper Ring assesses that it must develop a new path; Benedict Arnold makes the discovery of an unlikely new ally; Rivington decides to teach Townsend a memorable lesson.

Following up on intel from a mysterious source, Mrs. S heads on the road with Sarah to investigate a lead on a Neolution defector. Meanwhile, an unexpected reunion takes place on the island, while Cosima's research leads her to a terrible discovery.

As "Diane" and Sidney get to know each other, longtime patient Claire grates on Jean's nerves, and new patient Allison slips into a downward spiral.

With the show's future in jeopardy, Bash and the ladies search for creative way to drum up cash. A pair of revelations leaves Sam reeling.

The Hicks build a sled shack on the sleddin' trail. The Hockey Players, now leading goal scorers, try to motivate the Irish to get a W.

This program is about to get even bigger as the competition travels to the land of the cherry blossom, Japan. Contestants must explore Tokyo to find ingredients for the mystery box challenge.

A grain ship grain is raided by starving villagers, and George arranges a harsh punishment for the desperate peasants while throwing a lavish Christmas party to impress the local gentry. Caroline hears news that the Admiralty has arranged for the release of the British officers, but Ross is not convinced. Demelza gives birth to a daughter, and warns Morwenna against a relationship with Drake.

Craig Petrie becomes a suspect in both murders, and Blake assists in questioning him. However, he quickly turns the tables on the police and casts doubt on Leighton's innocence. Annie investigates his claims further, and her loyalty to Leighton is shaken when she discovers his alibi is a lie. Smilie tries to comfort Jonjo's father, but is rejected.