On a warm summer afternoon, a girl disappears in the small town of Oak Paso. Her desperate mother quickly asks the police for help when she realizes that her eldest son has not returned home that night either.

Two men accidentally exchange briefcases. One contains a videotape that will lead the new owner to embark on an unexpected journey to figure out what is in it.

Arnold, an unemployed middle-aged mouse, confides to his wife Maria that he suspects his entire world is nothing more than a set, and his life a scripted performance. When his best friend Ramiro dies under mysterious circumstances, he traces the conspiracy to a monolithic corporation whose influence reaches every corner of their daily lives.