家中三代经营牛杂店的少东蒋通菜（梁朝伟饰）于一次交通意外与泼辣的少棠（郑秀文饰）相识。原是冤家的两人酒后发生了关系。少棠与父亲闹翻又遭到公司上司夺权解雇，竟在医院与蒋通菜相遇，少棠欺骗通菜自己到医院堕胎，通菜大为紧张，见通菜为人不错，于是告之真相后握手言和，通菜也把她带了回家暂住。 　　两人共渡了一个少棠误造的一个难关，感情倍增。可是通菜即将回来的正式女友（周丽淇饰）是两人的障碍，少棠不得不离开。可缘分让相爱的两人重逢了，又能否眷属呢？

A traffic accident brings together Deborah, a high-strung businesswoman, and Veg, successful owner of a fast food shop that specializes in bull organ soup. Fiercely combative about the accident, they end up in bed after too much drinking one night. Deborah's thoughts of pursuing a relationship with Veg are dashed when she learns that he has a famous girlfriend, Mindy (she is television's "Eat Drink Warrior"). Nonetheless, Deborah and Veg become friends, and, after prompting from Veg's mother, Deborah decides to "fight for her love." Who will Veg choose?