Zhou Heng, a senior high school student, decided to give up his pursuit of classmate Tong Yining after failing to confess his love for two consecutive years. On a rainy night, I met Yin Mengran, a homeless squad leader who was kicked out of the house by her stepmother because her parents died unexpectedly. Zhou Heng took the soaked Yin Mengran home to stay temporarily, and the two lonely souls healed each other by getting along day and night. Zhou Heng helped Yin Mengran regain the courage to live, while Yin Mengran tutored Zhou Heng in his studies to make his grades soar. The friendship between the two gradually sublimated from classmates to a true love, and eventually they were admitted to their ideal university together, and worked together towards a happy marriage. This is a heart-warming story about growth, redemption and youthful throbbing.