In a realm where the living and the departed intertwine, the Phantom Queen Yanglei embarks on a perilous quest to reclaim her soul from the clutches of the soulless labyrinth, where the dead roam and the living fear to tread....

When an archaeologist discovers the remnants of an underwater city, she stumbles upon a labyrinth that intertwines her fate with ancient Chinese mythology and a mysterious force that seeks to reclaim its lost domain....