Half a Loaf of Kung Fu (Chinese: 一招半式闖江湖) is a 1980 Hong Kong martial arts film directed by Chen Chi-hwa and written by Jackie Chan(credited as Jacky Chan), who also starred in the lead role. The film co-stars Dean Shek and James Tien. The film was released in Hong Kong on 1 July 1980. Chan plays a bumbling kung fu student who becomes involved in a series of adventures.
Chan plays a bumbling long haired acrobat named Jiang who really wants to practice kung fu. He finds an advertisement for work at the Mansion as a body guard. Jiang doesn't get the body guard position, but cons his way into a job using his kung fu skills, and gets himself into the middle of some shady business. He is told not to go near the "guest room" where the special guest is staying. A fellow employee tells Jiang that there is an evil witch who lives in the guest room and is not to be disturbed. Jiang of course is caught spying on her and is run off the land. He then encounters two kung fu masters fighting in the woods. He watches one kill the other, and when he leaves Jiang takes the body into town to collect the reward. Using the money from the reward, Jiang tries to fulfill his kung fu dreams and find a master. He is suddenly attacked by the crazy witch and is about to lose until a mystery master shows up and beats her. The master turns out to be a bum, and teaches Jiang kung fu. He then goes on a journey with a princess to find a special jade plant.