On the night when the yacht capsized, Tang Luofeng pushed the last life jacket to Lin Yuomeng, who had been secretly in love for four years, and sank to the bottom of the sea. Lin Yuomeng was brain-damaged and comatose due to regret at the moment she witnessed his drowning. She spent four years of neglect, testing, and aloofness, but never took a serious look at the man who was always there.
Destiny gave them a chance to come back. The two souls exchanged, and returned to the eve of the freshman's military training, each bound to the opposite system task: Tang Luofeng must use Lin Yuemeng's body to *reject* her every approach, so as to cut off her dependence mode of being used to being loved; Lin Yuemeng must use Tang Luofeng's body to pursue him and let him learn to accept love.
One body, two souls. He pushed her away desperately, and she tried her best to get closer to him. He didn't know that the soul that pursued him persistently was the person he once loved deeply, and she didn't know that the soul that indifferently rejected her was the person who was willing to die for her.
Four years countdown, twenty-three key nodes. Every rejection increases the probability of her waking up in the hospital bed in the future, and every pursuit blurs the name on his tombstone. They listened to "Under the Sea" together on the rooftop, with their fingertips three centimeters apart by the artificial lake, and taught each other in the cruelest way: true love sometimes means pushing away, sometimes waiting, and the deepest salvation is - let you learn that you no longer need me, and then sink to the bottom of the sea alone.
This is a misplaced redemption that goes both ways. Two people who don't know how to love spent two lifetimes finally learning to say "you are worth it".