A group of friends go on a vacation in Phuket after their high school graduation. They build their tents next to the beach but unfortunately for them, a huge storm forces them to move indoors into a nearby hotel. They decide to sleep at the hotel for the night. However, they are all woken up by the same horrible dream of a Tsunami disaster.

A group of student want to challenge themselves by entering the most haunted building of their school, which is forbidden.

Nick, Bew, James and their friend are preparing for their university admissions, but because of James' less than desired results, he brings his friends to get the blessings of Mae Nak. Nick doesn't believe in Mae Nak and constantly makes fun of it. Suddenly, the group finds themselves in the realm of Mae Nak and have to find a way out to return to normality.