The ‘Beast Cop’ Ma Seok-do heads to a foreign country to extradite a suspect, but soon after his arrival, he discovers additional murder cases and hears about a vicious killer who has been committing crimes against tourists for several years.
NYPD detectives Luis and Eddie visit Paris to help gorgeous French designer Colette catch the black market thief who's ripped off her new handbag design. While Luis' girlfriend Vanessa and Eddie's wife Gloria remain in New York, the hopelessly unhip odd couple stumble through a glamorous high-fashion world brimming with charming cafes, wild nightclubs and corporate treachery.