Summer is the time for a passionate, all-consuming romance. After He Lan and Mo Sijin make their relationship official, their love grows warmer by the day. Hoping to save up enough money to spend a whole month having fun in Xidu, they accept Jun Wuyan's invitation to deal with the "ghosts adrift at sea." They think it will be easy, but an unexpected turn of events occurs on the day of the ritual... As the investigation deepens, He Lan discovers countless events from the past intersecting with the present, while the clues before them point to the future in an extremely cryptic way. The truth is right before their eyes, but how can a lifelong promise be fulfilled, and how can the bound spirit be freed...
Theme: Never forget your original intention
