An investigative thriller with elements of romance, the film narrates the story of two couples: a Kochi-based scrap artist named Luca and his girlfriend Niharika; and a police officer named Akbar and his wife Fathima.
Sanal departs Cochin Airport in the rain, journeying through Idukki's landscapes to meet Leena and fulfill their dream, while their hearts weave through shared memories of joy and sorrow.