He embarked on a journey of one person, and looking for the intimacy of two people. An accident caused Mu Ran to lose his qualifications as a swimmer, and his brain also lost memory function. From then on, he was decadent and addicted to promiscuity. On the advice of his friend Luzi, he met Su Chen, a Taiwanese masseur, who was in rehabilitation therapy. During the process, their skin-to-skin dating also breeds affection, but he can't remember this relationship. On this day, he decided to travel and came to Su Chen's hometown in Taiwan.