When his father (Lau Kong) suddenly dies, Bobby Au-Yeung, as executor of his father's will, summons his younger siblings home. According to their late father's wishes, the four siblings must live together for nine months before they can sell the house. Against her Mainland husband Tsui Wing's objections, Joyce Tang moves back to Hong Kong with her daughter. The profit-minded Jonathan Cheung and his equally snobbish wife, Koni Lui, immediately report home. Youngest brother Bob Cheung, who was on a work vacation, also returns home quickly upon hearing the news. Daily frictions occur between the family. Bobby discovers that a pair of happy spirits, Wu Fung and Helena Law, have been living in the house for a long time. The two seniors use their magic to help the family resolve disputes, but they often make things worse, producing many comedic moments. The old house is in need of repairs, leading Bobby to hire technician Nancy Wu. The two of them clash immediately and constantly squabble. But Nancy develops an indissoluble bond with the family and also finds a cure to her chronic insomnia...