Watch Online Free on Watchseries. Kit (Sun Zhen Feng) is the hottest boxer in the underground boxing circuit, with over ten consecutive victories to his name. Besides his gritty determination to challenge himself, he also has a great coach (Ken Lo). In order to save their gym from being shut down, Kit agrees to a greatly hyped match with notorious Thai boxer Sholin (Zheng Ziping), who is known as a "killing machine.