在阳光下，麻雀欢快地唱着歌，轻盈飞舞，生机勃勃。两个男生车车

　　一对在城里做护工的夫妻，因为需要全天24小时看护老人而许久无法见面，于是他们相约在照顾的老人去世以后，发生亲密关系。 　　A couple who work as carers in the city are not able to see one another because they need to take care of the elderly 24 hours a day, so they promise each other to have an intimate relationship after the passing of the elderly person they take care of.