Cage is a 1989 American martial arts action film produced and directed by Lang Elliott, starring Reb Brown, Lou Ferrigno, Michael Dante and James Shigeta. In a story pitched as a modern take on Of Mice and Men, a Vietnam veteran (Brown) attempts to save his mentally challenged former squadmate (Ferrigno) from exploitation at the hand of an underground fighting ring.

Plot

In 1969, at the height of the Vietnam War, GI Billy Thomas saves the life his unit's captain, Scott Monroe, from a firefight. However, he gets shot in the head in the process. The extensive brain damage leaves him with diminished mental capabilities, in effect making him a child in a large man's body. After the conflict, Scott opens a bar in Los Angeles and keeps Billy under his wing, but they soon find themselves on shaky financial ground and targeted by mafiosi. Their boss, Tony Baccola, sees the naive yet physically imposing Billy as the perfect contestant for a series of unsanctioned, ultra violent cage fights organized by a Chinese–American kingpin, Tin Lum Yin, to whom he owes money.