Jack Slater serves as a federal marshal in one of the towns of Texas. A year ago, an unknown assailant killed his father, the sheriff, during an operation to rescue Jack's girlfriend, Caroline Moser, who had been kidnapped by serial killer Eric Lang. Later, the girl showed up in the town, but after the abduction she lost her memory. She was included in the Federal Witness Protection Program and placed in a secluded house, but suddenly one of Lang's followers is spotted near this house. Jack decides to take Caroline to another place, and they try to kill them on the way. Danger heightens feelings, passion flares up between them again, but in order to move on, Jack needs to find out who killed his father and who is trying to kill Caroline.