知青上山下乡运动的时候，白鸽、石英、夏晓虹几人一起去了云南插队。可是夏晓虹却未婚先孕，承受了很多舆论压力，终于在生产之后抑郁了，跑进了沼泽地。白鸽因为到处找不到晓红，自己也跑进了沼泽，却陷了进去。最后晓虹救白鸽自己被困，临终时把孩子托付给了她。李建华是晓红的男朋友，他和崔两人拳脚相加，都承认自己才是让晓红去死的人。白鸽为了抚养孩子，和李建华结婚，给孩子取名叫做白杨。白杨这样拥有了他的三个妈妈和两个爸爸，他在他们这些爸爸妈妈之间成长的很快乐，并且不知道事情的真相。终于有一天，白鸽告诉了他真相，而白杨也选择了原谅。于是,白杨继续和他们几个人一起生活着，在长大之后给了他们很大的报答

When the educated youth went to the countryside to exercise, Baige, Shishi, and Xia Xiaohong went to Yunnan to jump in the queue. However, Xia Xiaohong got pregnant before she was married and endured a lot of pressure from public opinion. After giving birth, she finally became depressed and ran into the swamp. Because Baige couldn't find Xiaohong anywhere, she also ran into the swamp, but got stuck in it. In the end, Xiaohong rescued Baige and was trapped, and entrusted the child to her when she was dying. Li Jianhua is Xiaohong's boyfriend. He and Cui fought each other and admitted that they were the ones who let Xiaohong die. In order to raise a child, Bai Ge married Li Jianhua and named the child Bai Yang. Bai Yang had his three mothers and two fathers in this way, he grew up happily among them, and he didn't know the truth of the matter. Finally one day, Bai Ge told him the truth, and Bai Yang chose to forgive. Therefore, Bai Yang continued to live with them and gave them a lot of rewards after growing up