Married couple, Ning and Kwin move to a condo with their daughter Ing and rent out their house to tenants, Ratree, a retired doctor and her daughter, Nuch. As Kwin's behavior becomes increasingly disturbing, he is seen sporting a triangle-shaped tattoo, the same as Nuch's. Meanwhile, Ning realizes that their daughter is being possessed by some unseen forces.

Ib and Boum decide to commit suicide together in Bangkok in 1997. After reneging on the promise, the vengeful ghost of Ib returns 20 years later to haunt Boum and her 15 year old daughter, Bell.

In the center of Bangkok, 30-year-old Mei Li struggles to find true love. When she accidentally meets a handsome BTS engineer whom she considers the right man, she plans her first move. Though too many obstacles keep arising, Mei Li will never give up.