Eighteen-year-old Lin Qing was born in a remote mountain. When her father wanted to sell her when she was sixteen, she escaped from the mountain like her mother. Instead of joining her in Beijing as agreed with her mother, she went to Linzhou, a southern city, and became a courier sorter.
Twenty-year-old Wenqi was born and raised in Linzhou. Her father died young and her mother remarried. She worked as a nurse in a local private hospital to support herself and her six-year-old sister Xia Tian, who her stepfather wanted to abandon but was adopted by her.
The two people, who didn't know each other at first, became roommates again while renting a house...
Intention: Mutual salvation between two people