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.

Molly begins to suspect that Lester is involved with the murders, but her new boss points her in a different direction. Meanwhile, Malvo investigates the blackmail plot against a man known as the Supermarket King.

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

Molly faces pressure to close the case, while Lester starts to feel like a new man.