机场里，父亲和儿子一起来为参加比赛的妻子送行，妻子向儿子表示要拿冠军回来，儿子回答说妈妈有秘密武器，那就是爸爸的照片。这是举重运动员李丽一家在机场告别的情景

作为举重选手，李丽非常热爱她的事业，但是却因为罹患糖尿病而不得不退出赛场。没有专业技能的她，为了生活，只能靠力气做搬运工作，人称“大力妹”。石勇，本是酒吧店老板，因为生意失败，只得搬到郊外。在为搬家费跟搬运公司争执时，大力妹出场，以自己非凡的臂力把重物拉上了顶楼。让处于人生低谷的石勇感受到了阳光灿烂。二人作为邻居相处的过程中，石勇走出了失恋的阴影，爱上了这个乐观向上的姑娘。李丽也对这个落魄却不失志的男人产生了真情，二人结为夫妻，并孕育了一个可爱的儿子。为了帮助妻子完成自己的举重梦想，本是叱咤商场的石勇甘心沦为家庭煮夫，在幕后全力支持着妻子

At the airport, the father and son came to see off the wife who participated in the competition. The wife told the son that she would bring back the championship. The son replied that the mother had a secret weapon , that is the picture of Dad. This is the scene of weightlifter Li Li's family saying goodbye at the airport

As a weightlifter, Li Li loves her career very much, but she has to quit the competition because of diabetes. Without professional skills, she can only rely on strength to do the moving work in order to make a living. She is known as "Strong Girl". Shi Yong, originally a bar owner, had to move to the suburbs because of business failure. When arguing with the moving company about the moving fee, Dalimei came out and pulled the heavy object up to the top floor with her extraordinary arm strength. Let Shi Yong, who is at the bottom of his life, feel the sunshine. When the two got along as neighbors, Shi Yong stepped out of the shadow of broken love and fell in love with this optimistic girl. Li Li also developed true love for this downtrodden but ambitious man. They got married and gave birth to a lovely son. In order to help his wife fulfill her dream of weightlifting, Shi Yong, who was originally a master of the mall, willingly became the husband of the house and fully supported his wife behind the scenes