Many people say that housewives are good-for-nothing and will only idle away their time on boring chores. , But Mung Ka-Ka (Tang Shui Man, Sheren), Ting Mui-Heung (Yip Tung, Cecilia) and Cho Mei-Ngo (Sheung Tin Ngor, Kiki) will prove them wrong. Contraty to what you might think , being a housewife is as stressful as fighting in the battlefield. The never-ending housework and the persistent family conflicts will put them on the alert at all times.

Ka suspects that her husband Fong Yin-Cho (Tse Tin Wah, Michael) is a cross-dresser and her constant worries have caused her to suffer from anxiety disorder. Heung has contracted a sexually transmitted disease from her spouse while NGO agrees to arrange a sham divorce for neighbor Ko Wing-Kuen (Keung Tai Wai) was widowed in his younger days.

Since the death of his wife, he has taken up all kinds of domestic work, which puts him in a very awkward position. The wife of Kan Shing-Tsun (Ma Kwok Ming), the owner of a tea restaurant int he neighborhood, has recently committed suicide. Before the tragedy took place, the three housewives had given the lady a warning, about which they feel so guilty......

师奶们无所事事，生活枯燥？蒙嘉嘉（邓萃雯）、丁梅香（叶童）和曹美娥（商天娥）会告诉你，师奶的生活其实好比上战场。除了做不完的家务外，大大小小的家庭风波，都叫她们时刻处于戒备状态。

例如嘉因怀疑丈夫方彦祖（谢天华）有易服癖好而患上焦虑症、香从丈夫那儿染上了性病、娥为了丈夫而假离婚，岂料他在外却有女人等。主妇不易为，主夫也一样。邻居高永权（姜大伟）妻子早逝后成家庭主夫，令他狼狈不堪。

另方面，屋苑茶餐厅东主甘诚俊（马国明）的妻子自杀，几位师奶皆因为曾经出言警告她，而暗自内疚......