Kevin Hart - playing a version of himself - is on a death-defying quest to become an action star. And with a little help from John Travolta, Nathalie Emmanuel, and Josh Hartnett - he just might pull it off.

故事讲述了民国年间，林家镇突发怪案，城中众多百姓无端中邪，如同丧尸游魂一般被一股神秘力量控制牵引，在一夜之间消失 不见，城中打更人沈小寒为营救百姓，展开调查，凭借打更人一脉的道术秘法，最终找到并击败了因炼制蛇蛊走火入魔的姜先生，救回了城中百姓，再次守护了林家镇的正义。