Su Wan stayed with the Ling family for ten years, always remembering that she was an outsider. Ling Chen used his eyes to measure the distance between her every night, but never took more than half a step. Until she discovers her hair ropes, old pens, and even withered succulents hidden in the attic. "Collector?" She sneered and tore up the engagement contract handed over by Ling Chen, "It's a pity that I don't do collections." On a rainy night, she dragged her suitcase and disappeared, and Ling Chen smashed the entire collection room. Three years later, they met again on the streets of Paris, and she held hands with a little boy who looked exactly like him. Ling Chen knelt in the rain with red eyes: "Now let me be your collection, and the term is... For a lifetime."