After training with his mentor, Batman begins his fight to free crime-ridden Gotham City from the corruption that Scarecrow and the League of Shadows have cast upon it.
Shang-Chi, the master of weaponry-based Kung Fu, is forced to confront his past after being drawn into the Ten Rings organization.
A martial arts master agrees to teach karate to a bullied teenager.
The youngest son of an alcoholic former boxer returns home, where he's trained by his father for competition in a mixed martial arts tournament - a path that puts the fighter on a collision course with his estranged, older brother.