In the humid and quiet city, "street kid" Dongzi (Li Jiuxiao) struggles to make a living. Days pass slowly with bloodshed and injuries, but Dongzi has two things he can't give up: one is to take care of his stubborn father, and the other is the vague feelings for Jiuer (Huang Miyi), the owner of the tattoo shop. Dongzi tries his best to live out his own happiness in the complicated world, but he can't escape the love and hate caused by his father, Jiuer, Xijun, and his fourth brother...