Riki-Oh: The Story of Ricky (Chinese: 力王), also known as Story of Ricky, is a 1991 Hong Kong martial arts splatter film written and directed by Lam Nai-Choi.
The film is loosely based on the Japanese manga of the same name by Masahiko Takajo and Tetsuya Saruwatari, who also co-wrote.
By the year 2001, all correctional facilities have been privatized. Lik Wong/Ricky Ho, a martial artist, and former music student, is sentenced to 10 years in prison for manslaughter after killing a crime lord indirectly responsible for the death of his girlfriend. What happens inside the prison must be seen to be believed.