The Big Boss is a 1971 martial arts action film starring Bruce Lee as Cheng Chao-an, a young man who moves from China to Thailand to work in an ice factory with his cousins. The movie is set in the early 1900s in Thailand and begins with the arrival of Cheng Chao-an in Bangkok where he eagerly meets his cousins and starts working at the ice factory. At first, Cheng does not know anything about his new home, and he struggles to fit in with his colleagues.