Peipei is studying in Hong Kong while she lives in Shenzhen, a busy harbour city on mainland China. The last sixteen years of her life, Peipei has spent travelling between these two cities. She dreams of seeing snow in Japan with her best friend. To get the money, Peipei joins a smuggling gang and uses her student ID to smuggle iPhones from Hong Kong to the mainland. Her family relationships and friendships begin to fall apart and her daily life starts to get out of control.