Lin Jian has become a man who loves his family. Every day after get off work, he returns to the house with a bouquet of butterflies in his hands, reads newspapers and magazines from various places, and hangs out at various literary forums. He just wants to tell the girl who is far away, how can true love leave no trace? After thousands of sails passed, the thirty-year-old man who called Lin Jian still stayed where he was, waiting for the aging butterfly to look back, and then grow old with her.