Xu Xiaotian prefers the wind at dusk and covets the lights of different temperatures - he always says that he is a wanderer and needs a shore to dock. He uses "loneliness" as an excuse and "heartbeat" as something that can be divided equally. He didn't do evil intentionally, he was just cowardly and greedy, but he didn't know that people's hearts are fragile and the night wind can't stay. What will be his ending?