Lin Zhao completed the painting exhibition work for Xie Yanqiu, but was mistaken as a stand-in for clinging to the powerful. A temporary contract locked his freedom, and Xie Yanqiu thought he was showing kindness, but in fact he forgot everything. The wood carvings in the lockers at the station, the rusty scratches on the pier, and the broken pages of the old bookstall are all silent testimonies. When the truth is revealed, the person kneeling in the rain is not the substitute, but the person who once bound love with a contract.