American gangster Erik Vasquez is scheming to become the top dog in the Mexican underworld, only to find himself making enemies out of both the powerful cartels and his own allies.

A lawyer is caught in a terrifying game of cat and mouse when a drink with an old friend escalates into an obsession that jeopardizes everyone she loves.

When a psychopath commits murders based on novelist Castle's books, Detective Beckett seeks his help to solve the case. He decides to work with her and uses his experiences as research for his novels.