Three young men — Denny Kokken (Aju Varghese), Priyalal (Sharaf U Dheen), and Shibu Majeed (Govind Padmasoorya) have been friends since college. Together, they work till they hit their 30s and start their own business that they can enjoy in a semi-retired manner. They get together and invest all their money in a resort in Kerala. However, their happy beginning is thwarted by paranormal activities and they approach John Don Bosco (Jayasurya), a psychic who works as a The Mentalist in cruise ships and entertainment industry. John Don Bosco also assists the police as a human lie detector with his cold reading techniques.