After a global neurological epidemic, those who remain search for meaning and connection in a world without memory.。宋国杰需肾移植，母亲杜韵为救子，瞒实情并筹款欲捐肾。回家后欲带儿就医，却被儿子宋国杰及其妻家人误以为杜韵自己患肾癌，欲让宋国杰捐肾。误解加深下，宋国杰在妻家影响下逐渐嫌弃母亲，最终决定将杜韵赶出家门。。