Su Muchen, a lonely painter who weaves time with memories, accidentally obtained a glass ring said to be able to redeem his life. Hidden in his canvases are the smiles of countless lovers who have passed away - each one is a soul that really existed. In order to pursue eternal life, he and the mysterious woman Li Sheng, the guardian of the glass ring, lingered in the light and shadow, and their mutual emotions wandered in desire and redemption. Su Muchen longed to exchange the ring for the return of his lost lover, but found that with every exchange, Li Sheng in his memory gradually disappeared. The price of eternal life, is to seal all love and pain in a corner that no one knows, or to find the true self in oblivion? At the end of time, he must make a choice - to become a lonely soul forever, or to exchange all his memories for a sincere hug. The novel unfolds with a poetic scroll, intertwining dreams and waking, love and forgetfulness, exploring whether "eternal life" is an escape or a brave farewell.
