影片讲述了为获取心脏救治女儿，不惜与其他人假结婚，却意外有了真感情的故事

望月沙良是一位单身母亲，非常不幸的是有一个先天性心脏病女儿，沙良觉得是自己的问题，所以非常珍惜女儿，有一次看到网上有位青年在网上谈论自杀，气愤的她评论“反正要死的话，请把心脏给我女儿”，意外的是竟然真的得到了“我的心脏送给你了”的回复，本以为是开玩笑的沙良，在诧异的目光下看到赴约而来的青年，原来青年患有大脑肿瘤，已经没有多少时间，迷茫的沙良接受了青年的要求，让青年在自己经营的便利店工作日本交易器官收到法律的限制，所以二人一起递交结婚申请书，开始了夫妻生活同时女儿沙莉对住同病房的高中生产生了爱慕之心，沙良后面会怎么样面对突如其来的感情以及女儿的问题...

The film tells the story of a fake marriage with other people in order to get a heart to save her daughter, but unexpectedly had a true relationship

Mochizuki Sha Liang is a single mother. Unfortunately, she has a daughter with congenital heart disease. Sha Liang thinks it is her own problem. So I cherish my daughter very much. Once I saw a young man talking about suicide on the Internet. She was angry and commented, "If you are going to die anyway, please give my heart to my daughter." Surprisingly, she actually got "My heart is for you." Sha Liang, who thought it was a joke, saw the young man who came for the appointment under his surprised eyes. It turned out that the young man suffered from a brain tumor and did not have much time. Working at a convenience store in Japan and trading organs in Japan is restricted by the law, so the two submitted a marriage application together and started married life. At the same time, daughter Sally fell in love with a high school student who lived in the same ward. Sudden feelings and daughter's problems...