Jackie Chan, delivers twice the excitement and twice the fun in this nonstop, stunt-filled comedy thriller! Starring in dual roles, Jackie plays Boomer, a streetwise martial arts expert living in Hong Kong and his long-lost twin brother, John, a classical musician from New York! They’ve never met...but when John travels to Hong Kong to give a concert, these total-opposite identical brothers become unwittingly mixed up on a hilarious case of mistaken identity!