A mysterious nomad known as the "Artist" practices a dark art form passed down through the generations.。夏红娣丧夫后独抚儿子聂伟，反被儿媳赶出家门。途中救起失忆的吴廷正，二人相依为命。五年后，他们摆摊遭嫉，吴廷正护夏红娣受伤恢复记忆，却得知自己患肾衰。夏红娣愿捐肾，吴廷正感动，誓要给她幸福生活。。