临时同居

项少龙（张家辉 饰）是一名房地产经纪人，和相恋多年的女友求婚之时，女友竟然嫌弃项少龙拿出的婚房面积太小，声称不购入豪宅便休想结婚，为了娶到心爱的女人，囊中羞涩的项少龙想破了脑袋却也找不到解决问题的办法。 　　就在这个节骨眼上，一幢名为“天下无双”的豪华别墅低价开卖，凭借着敏感的职业直觉，项少龙从中发现了商机，他找来了金凤（郑秀文 饰）、阿黑（杨颖 饰）和瓦力（欧豪 饰），四人共同分担房款，盘下了别墅，只待炒高房价便可出手大赚一笔，可是，就在此时，政府开始打压楼市，无奈之下，项少龙一行人只得先行入住，一个奇特的“临时家庭”就此组成。Lung (Nick Cheung), a hardworking property agent, is facing a serious situation in life. His girlfriend won't marry him unless he can buy her a 1000-sq ft. apartment in one year's time; whilst Charlotte (Sammi Cheng) desperately needs a place to stay after her divorce. Along with Lung's intern Very (Oho), a mainland richling, they become co-owners of the office girl Hak's (Angelababy) small flat that was left to Hak by her estranged mother.