‘Kaafir’ follows the account of Kainaz Akhtar (Dia Mirza), a woman from Pakistan-occupied-Kashmir. Due to circumstances, she finds herself on the other side of the border, where she gets mistake for a militant. She tries to fight for her innocence. But she made a prisoner for eight years, alongside her daughter. She loses all hope to return to Pakistan. When a lawyer-journalist Vedant Rathod (Mohit Raina) comes to know about her story and decides to help her.