The Four Season 1 Episode 2 Episode 2 ( Air Date 2015-03-17 ) Genre Action & Adventure, Sci-Fi & Fantasy, Talk category. Overview "The Four is the story of four young men – Cold Blood, Chaser, Heartless, and Iron Fist – who each excel in different martial arts practices and use their expertise to bring down corruption and establish justice.~~ Based on the wuxia series by Wen Ruian.".