A haunted curve in 1990s Kerala, named after Sumathis tragic death, draws various people into supernatural encounters. As they experience strange events, the mystery of Sumathi and the roads dark history begins to unfold.

Follows the missing person case of Merin Joy and how an ordinary man with a tragic past gets wrapped in the investigation.

Joe, who is reeling from a heartbreak by his college sweetheart Suchitra, reluctantly marries Shruthi , who isn't ready to accept him as her husband because of the ghosts from her own past.