Because Su Wan looked exactly like his late senior schoolmate Lin Zhiyao, he was mistaken for a stand-in by the talented architect Jiang Xu. He collected her paintings but never asked her name; she endured it silently, just because she could use his hands to complete Lin Zhiyao's unfinished exhibition. When Zhou Yu'an from the photography club secretly photographed her daily life with Jiang Xu, and when transfer student Chen Yu handed over Lin Zhiyao's diary, Su Wan finally understood that she was not a substitute, but the key to the truth. And Jiang Xu finally heard another soul's cry for help in her silence.
