After being complicit in a costume joke that ends in a fatal accident and a pact of silence, a group of young people will be threatened by an anonymous writer who wants to reveal his dark secret. Their stalker threatens to post a bloody horror novel based on them on social media. Each chapter one of them will die. While distrusting each other, the group will begin a fight for s...。青年男女梅德成、倪贞美已经三次在朋友的婚礼上做伴郎与伴娘了,通过观察,他们认识到自己将来一定要“想好再结婚”。一次异地相逢,他们擦出爱情的火花,为此,他们改变自己、适应对方。倪贞美的前男友傅信翰突然出现,梅德成痛苦退出,衷心成全他们。倪贞美意外摔成脑震荡,失去记忆,傅信翰狠心再次离开。这时梅德成挺身而出,担负起照顾倪贞美及其父母的重任。他与毕富贵开设的婚礼公司,撮合了尤义涛与桑小影、尤俊康与丁悦、卓明与周巧、毕富贵与梅德韵四对佳侣。在集体婚礼当天,倪贞美偶遭重击,脑病痊愈,她深情地投入梅德成的怀抱,一对有情人终成眷属。。