A narco kingpin escapes from a high-security Mexican prison with his son and finds refuge at a remote drug rehab facility located on the U.S. side of the border where they encounter deadly mutant zombies.

Pedro, unhappy in his marriage of convenience, falls in love with Vera during a business trip. After his father blackmails him into breaking Vera's heart, fate brings the two together again years later.

A law professor is enlisted by Mexico's attorney general to join a special operations unit infiltrating the capital's most notorious drug cartel.