Set in Chellanam, Kochi, the story of Ee. Ma. Yau revolves around the death of Vavachan Mesthiri in a coastal village. It showcases the events that unfold between two evenings and looks at death from different perspectives.
A father and daughter are on their way to dance camp when they spot the girl's best friend on the side of the road. When they stop to offer the friend a ride, their good intentions soon result in terrible consequences.