Sivapee Mapaisankit

Lynn, a brilliant student, after helping her friends to get the grades they need, develops the idea of starting a much bigger exam-cheating business.

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.