At a secluded lakeside resort, biologist Zhang Cheng comes to find his ex-wife, Yan Tong, and is astonished to see her looking youthful again. He learns that she has been using a secret beauty product and discovers that strange disappearances of guests frequently occur at the hotel.

On a journey of self-discovery, Yu Wankong meets a kindred spirit, and together they travel to the Daliang Mountains, where they heal old wounds and bring hope to their hometown.

The Pandora's box opened in the name of love has already been unlocked. When love is consumed by obsession, just how many uncrossable boundaries will one break just to hold onto what they call "love"?