Cheng Yu, who has just received a master’s degree in psychology, comes to Nanshan Middle School to work as a psychotherapist. There he meets Lin, a schoolgirl who lives in the shadow of her father, a psychology professor who always demands that she do everything perfectly. Lin is deeply depressed and, in her own special way, sends out a distress signal to Cheng Yu. He helps Lin deal with all her problems. Now Lin becomes his assistant. Since then, they have faced many strange and exciting events—events shaped by students who need help, and souls waiting for redemption…