Wei, an outgoing son from a middle-class family, and Shuo, his quiet classmate, find themselves connected through some mysterious energy that draws them into each other’s lives. Wei soon introduces his friend to his father, a cell biologist, and his mother, a former flight attendant. Learning that Shuo comes from a troubled background, they welcome this boy with an enigmatic charm to spend more time in their home. Shuo discovers that their comfortable existence is shadowed by unspoken secrets, unmet expectations, and untended emotions.