Juara (1991)

Malek, Sidi, Busul and Ira are four of Aziz's children who chose their own paths after their father Aziz was admitted to a mental hospital. Malek became a boxer. Sidi was instrumentalized by the syndicate to steal a diamond from Joe Martino and then disappeared when being hunted by various parties. Malek emerged as the champion of a Siamese boxing match specially organized by Joe Martino. The syndicate leader manages to recover the diamond that Sidi stole, and forces him to fight Malek's brother. If he refused, the syndicate threatened to destroy his entire family.