- Tong Tong's mother falls ill and can no longer work, so the young girl takes on household responsibilities to support her family. - She discovers she can earn money by collecting and selling tin cans, using the funds to buy rice and save for her mother's medical treatment. - However, it becomes clear the money from tin cans alone will not be enough for her mother's surgery. In a desperate act of self-sacrifice, Tong Tong decides to sell herself to a human trafficker to earn more money for her mother's healthcare.