年迈的老人宝禄（刘江 饰）膝下有四子女，然而他们各自散落在天涯，聚少离多。宝禄离奇去世，留下了一道奇怪的遗嘱，要求四子女必须在旧楼单位同居九个月，才能够将其变卖。就这样，大哥宝欢（欧阳震华 饰）、二妹宝欣（滕丽名 饰）、三弟宝愉（张颖康 饰）和四弟宝怡（张彦博 饰）纷纷回到了久违的故乡，重新过起了同在一个屋檐下的生活。

　　四兄妹虽然体内流着相同的血脉，却因为种种意外和心结导致彼此之间感情淡漠，已经成年的他们如今朝夕相见，个性迥异难免产生碰撞摩擦，一时之间矛盾激化，情况十分尴尬。更糟糕的是，一场意外令宝欢发现，住在楼中的并非只有他们兄妹四人，还有一对已经变为鬼魂的夫妻

When Po Foon finds his father Po Luk dead while waiting for his grown children to come over for dinner, Foon makes a promise to fulfill his father's last wish of mending his bickering family together. As requested on Po Luk's will, all four of the Po siblings must live together in his rundown home for nine months before they can sell it. At first, none of Foon's siblings, Po Yan, Anthony Po, and Po Yi, agree to live together, but after discovering the property's worth in the market, they all move in without hesitation.