More than a decade after the popular series ended, David Carradine returns for another adventure as Kwai-Chang Caine, former Shaolin priest and martial arts expert in the American West of the 1870s. This time, Caine helps the authorities solve several murders, and uncovers an opium-smuggling ring. While doing this, Caine must also battle the mysterious Manchu, father of the man Caine killed in China many years previously. The Manchu has selected Caine's own son (whom Caine knew nothing about) to be Caine's executioner.