Joy is the new maid of a royal house, whose previous maid disappeared under mysterious circumstances and is now haunting and terrorizing the family. Joy works to uncover the reason behind the former maid's disappearance.

After not seeing each other for a long time, 5 teenage friends living in the city of Bangkok go on a vacation together, staying at a quiet resort isolated from the city. Things take a dark turn, when it’s revealed each of them have hidden secrets and unbeknownst to the group, there is someone observing them.