Horror movies are defined by their killers. The victims and heroes themselves are often interchangeable, but it’s the masked slashers, monsters, and evil masterminds who get their faces on the poster.

Director Joydeep Mukherjee presents Nishir Daak, a new horror thriller. The story unfolds in Sonamukhi village. Six PhD students research a forgotten singer. They uncover a centuries-old curse. Music ...