Formidable though they may have been, Rama's opponents in that fateful building were nothing more than small fish swimming in a pond much larger than he ever dreamed possible. And his triumph over the small fry has attracted the attention of the predators farther up the food chain. His family at risk, Rama has only one choice to protect his infant son and wife. He must go undercover to enter the criminal underworld himself.

Title from disc surface Special features: Director commentary; Q&A with Gareth Evans, Iko Uwais, and Joe Trapanese; The next chapter: Shooting a sequel.