Lin Wei is a socially anxious girl born with the ability to see red strings of desire. At the age of seven, seeing a red string connected to her father triggered a family tragedy. After her mother killed her father, she became mentally unstable and disappeared. From then on, Lin Wei shut herself away from the world. After returning to school, she encounters a series of bizarre events. Eventually, Lin Wei accepts her ability and transforms from a socially anxious girl into someone brave enough to stand in the sunlight. Her relationship with Lu Chen also reaches a happy ending.