上世纪八十年代中期，周卫国和老婆冯雪梅开了个街边小餐馆，成为当年为数不多的万元户。但表面风光的周家也有不被外人所知的烦恼。周卫国是家中独子，三代单传，周妈最大心愿便是雪梅为周家生个孙子传宗接代。偏偏两人结婚五年一向没有动静，这就成为周妈和雪梅婆媳反面的直接导火索。周卫国背地里安慰雪梅不用太过在意，但雪梅还是觉得心存愧疚…

该剧讲述了岭南市禁毒大队长程吉在执行任务中遇害后，警校生林蔷（林鹏饰）误打误撞被毒贩当做交易人员，警队顺势安排林蔷隐藏身份开始执行卧底任务搜集毒贩罪证。在潜入邱虎集团中时，林蔷结识了海外毒枭马洪涛的养子张冼赫（郑业成饰），林蔷既要假装与其情投意合获取情报，又要抑制自己真实情感，两人颇有默契地和邱虎和刘兵两大毒枭周旋，然…

After Cheng Ji, the leader of a drug squad in the Lingnan police department, died from his mission, a police academy student Lin Qiang was thought to be a fellow dealer by the drug dealers in mistakes. Therefore, the squad sent her to be undercovered with a hidden identity. When she got into Qiu Hu's Group, she met Zha…