Keshav Rajpurohit is a conservative, broken-hearted young man who works at a private coaching center, completely unable to move past his historic breakup with Zara Khan, a brilliant Kashmiri Muslim girl. Years after their separation, on the eve of Zara's birthday, Keshav receives an unexpected, frantic text message from her, inviting him to her hostel room, Room 105. When Keshav arrives, he makes a bone-chilling, horrifying discovery that plunges him into a high-stakes murder investigation. Teaming up with his loyal best friend Saurabh, Keshav takes on the role of an amateur detective, uncovering a dangerous web of political intrigue, military secrets, and deep-seated religious prejudices to unmask the true killer.