Xu Wei Hao and Li Zheng Yi are neighbours who share one thing in common, both men are looked down upon by their wives and children. They receive a mysterious box of chocolates one day, thinking it was a mistake by the post office, Wei Hao and Zheng Yi each took a piece of the chocolate. Zheng Yi, once a cowardly policeman, suddenly possesses superb ability in solving a crime. While Wei Hao regains the respect of his daughter by saving her when she fell from a building. Chen Kai, the ex-husband of Zheng Yi's wife, was released from jail and tries to seek forgiveness. Seeing his sincerity in turning over a new leaf, Zheng Yi took him in. He accidentally took a piece of the chocolate and discovers its super power. The trio starts to rely on the chocolate every time they needed its super power to solve problems, making them the Super Dad in their children's eyes. One day, the three fathers see their own children in danger, but there is only one piece of chocolate left.

伟豪出身富裕的伟豪，在家道中落后依旧缺乏进取心，连女儿也看不起他。住在伟豪同层楼的邻居李正义是个胆小怕事的警察，他与单亲妈妈刘雪华交往并同住在一屋檐下，可是雪华的儿女却拒绝接受这个小男人当后父。雪华无法原谅刚出狱的前夫陈凯，还告诉他孩子们也不会认这个作奸犯科的爸爸。三个男人人无意中吃了神秘巧克力…