Good Behavior is an American drama television series based on the novel of the same name by Blake Crouch.

The series stars Michelle Dockery as Leticia "Letty" Raines, a professional thief who becomes involved with a hitman named Javier Pereira, played by Juan Diego Botto.

[4] Letty Raines—a thief, con artist, and drug user—is released from prison on good behavior, and is intent on regaining custody of her 10-year-old son Jacob.

Her unsuccessful effort to prevent the killing creates a series-long involvement with the killer, Javier, to the point of a complicated personal relationship.

The website's consensus reads, "Emotional manipulation aside, Good Behavior is a legitimately suspenseful and sexy drama.