After Huang You wakes in the middle of the night and overhears two ghosts talking about hidden money, greed pulls her into a deadly game of fortune, curses, and borrowed fates.
Her roommate Wanting insists the ghosts are Water Ghosts looking for a Substitute, but each warning only makes the promised wealth harder to resist.
As more secrets surface, Huang You realizes that both the ghosts and Wanting are hiding their true intentions.
To survive, she must decide whom to trust before her Eight Characters, her life, and even her body are stolen by forces that have been circling her from the start.