Phi Am is a malicious and eerie supernatural entity, deeply rooted in Thai folklore and mythology, and is believed to be the vengeful spirit of a woman who suffered a tragic and unjust death. In Thailand, as a child, Shan played a forbidden spirit communication game, which not only caused her to lose her mother but also became a childhood trauma that led her to be haunted by evil spirits. As a result, she sought help from her sister Belle and a medium named Mong to break the curse. Years later, Belle's roommate Arin, who is grieving the loss of her son in a car accident, frequently feels the gaze of an unknown spirit. Upon Belle's recommendation, she also approached Mong and discovered that all of this is connected to a young man named Ata, who is similarly immersed in nightmares. Everyone is sleepless, and all of this is related to the spirit communication game they once engaged in! They must race against time to prevent further tragedies. Will they ultimately be able to exorcise the spirits and find peace, or will they be consumed by the evil forces within the game?