My Ex 2, Haunted Lover (2010)

Original title: แฟนใหม่

A Thai girl called Cee follows her sister into the movie business. Although her career as an actress is taking off, her love life takes a nose dive after she finds out that her boyfriend, Aof, has a new girlfriend. She breaks up with him only to find out later that the new girl friend is dead. Shortly after, Cee then feels like she is being haunted by a ghost.