· Heroine: Lin Zhiqing was born in an ordinary family with enlightened parents. In order to pursue his artistic dream, he came to a big city to study alone. Due to an accident, he needed a sum of money to save his family, so he signed a "love agreement" with the male protagonist.
· Protagonist: Jiang Jingshen was born in a medical family with an extremely wealthy family background. Because she was frequently urged to get married by her family and was tired of the entanglement of a famous lady, she wanted to find a "worry-free" partner as a shield, so she proposed a contracted relationship.
Purpose: redemption