Sumpa is a story about a man who takes a vacation in laguna, where he met a mysterious lady who holds a secret to the curse that was put into the resthouse where he stayed.

Paul is a restless 20-something who cannot get his life together. Worse, he's been holding on to his love toward Red, his best friend Ivan's boyfriend. Looking for a sense of direction, he goes to Siem Reap and meets Tang, who falls in love with him.