宋隐（宋洋 饰）奉命调查“极乐膏”制贩案件。办案期间，他获得了游侠夜刹、大夫燕云升（陈立农 饰）、药师素娥（姜佩瑶 饰）等人的帮助。他们通过顽强战斗与勇敢牺牲，撕碎了犯罪头目白启年的保护伞，还一方安定。宋隐继续踏上铲奸除恶的漫漫长路。
In New York City, potent strands of bath salts have surfaced and have attracted the most devoted bath salt junkies. A young aspiring chemist has developed an even stronger batch... but something has gone horribly wrong.
