Su Zhimu rushed to Shanghai with longing in mind, and met Bai Yuanze under the Oriental Pearl Tower. A romantic encounter started a sweet love. However, identity doubts, family obstacles, and entanglements with old love followed one after another. Misunderstandings and quarrels caused their relationship to fragment. When Bai Yuanze suddenly became seriously ill and chose to bear the pain alone, Su Zhimu broke down and cried bitterly while pursuing the truth, but still accompanied him firmly. It was thrilling on the operating table and the road to recovery was long and arduous. After experiencing the test of life and death, can they survive the clouds and see the moonlight? From the heartbeat by the Huangpu River to the perseverance in desperate situations, this sadomasochistic love affair is deep and will eventually have a happy ending in love and courage.