周家多年想要子嗣，没能够产下一个，这一年，周家媳妇王婷婷终于顺产了一个孙子取名为“钢镚儿”从此娘家妈妈和婆婆两家开始为争夺孙子实行了全面大战。婆婆有了孙儿之后，更是喜上眉梢，喜不自来。婆婆和公公自打有了孙子之后生活就变成了看孙子保护孙子，给孙子做吃的，吃孙子剩下的饭，陪孙子玩。接孙子上下学更是公公的一门主要功课。对于王婷婷而言，自己的孩子自己应有一切的抚养权，监控权，看护权。在儿子问题上，她应该占主导的地位。他希望老公帮忙跟他里应外合但是他的丈夫为了害怕得罪自己的父母选择时长大小孩的做派，家家有本难念的经，在周家一场孙子争夺大赛逐渐开始他们最后谁能成功呢？这样的争斗又会引起他们怎样的家庭矛盾呢…

The Zhou family wanted an heir for many years, but failed to give birth to one. This year, the Zhou family's daughter-in-law Wang Tingting finally gave birth to a grandson named "Steel" "Tong'er" From then on, the natal mother and the mother-in-law started a full-scale war for the grandson. After the mother-in-law had a grandson, she was even more delighted and overjoyed. Since the mother-in-law and father-in-law have a grandson, their lives have become watching the grandson protect the grandson, cooking for the grandson, eating the leftovers of the grandson, and playing with the grandson. Picking up his grandson to and from school is a major task for the father-in-law. For Wang Tingting, her child should have all the rights of custody, supervision and care. On the issue of her son, she should take the lead. He hoped that her husband would help him to cooperate with him, but his husband chose to act like a child in childhood because he was afraid of offending his parents. Every family has a hard-to-read scripture. In the Zhou family, a grandson competition gradually began. Who will succeed in the end? ? What kind of family conflicts will this kind of struggle cause them..