何不凡一句情急下夹带玩笑的承诺，徐曼曼一次赌气坚持的兑换，票面上的幸福能够顺利兑现，为了找老婆不小心变成情场杀手的何冠宇，在一场猎艳中，被王蒨茜秒杀，女大男小闪恋闪婚的两人擦出了火花，王柏豪的女神田心平突然开口提议要去他家，还帮他宅男大改造，心平发现自己像在订做Mr.Right。三男三女在经历了许多事情之后，他们的幸福都能够彼此兑换成功。
Plot Summary:An accident entwines the lives of two complete strangers. When Po-Hai (Kunda Hsieh) is involved in an accident, he is so worried about the girlfriend that he will leave behind that he grabs a random stranger, Ho Pu-Fan (George Hu), and asks him to tell his girlfriend that he is breaking up with her. When Pu-Fan passes on the message of the dying man to the girlfriend, Hsu Man-Man (Phoebe Yuan), he sees how upset she is about being dumped and does something on a whim.
