Eric negotiates with a convicted serial killer to get insight when a teenage boy is kidnapped by someone who is copying the killer’s methods.

Mary has a chance to get out of her engagement, but it requires lying and sentencing a man to death. Meanwhile, Francis and Bash suspect that Tomas may be disguising…

A Portuguese prince offers much-needed aid to Scotland if Mary accepts his marriage proposal and break things off with Francis. Elsewhere, Francis’ feelings for Mary lead him to put Bash…

When Lester has a close call, Molly makes an unorthodox decision. Gus weighs some neighborly advice, and Malvo gets what he wants.

A meek, mild insurance salesman meets a rootless, manipulative stranger in the hospital, which initiates terrible and gruesome events that will change the salesman’s life forever.

Kate needs to get information out of the hostages, but it may jeopardize her standing with Locke — as well as with Sawyer. Meanwhile in the future Kate’s Court hearings…

Earth and Mars search for answers in the aftermath of the asteroid collision.

The Rocinante chases an asteroid as it hurtles towards Earth.