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.
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.
Golf lives in a big house, his father is often away on business and his unmarried aunt is unhappy. He resents the loss of his mother and is therefore aggressive and short-tempered, deprived of his father's attention. A new wife arrives with a teenage son, a couple of months younger than Golf. Bank, on the other hand, is sweet, caring and attractive and hopes that his new family will end up accepting him. However, his arrival causes resentment in his new stepbrother. Before accepting and understanding each other, the two must learn the art of living together, to overcome the obstacles placed in their way by their environment, ending up gradually falling in love with each other.