参加派对的朋友Talisa，Cory和市议会候选人Mike Finnegan（减妻妻Stephanie）在Claire和Jason婚礼前夕庆祝。 男性和女性派对的性别分开，朋友们摇摆不定，但悲惨的死亡关闭了男性派对，在警方调查时人际关系陷入困境。

Hard-partying friends Talisa, Cory and city council candidate Mike Finnegan (minus wife Stephanie) celebrate with Claire and Jason on the eve of their wedding. The genders separate for stag and spa parties and the friends swing, but a tragic death closes the stag party, and relationships are troubled while police investigate.