Set in 17th-century Kerala, the film follows (Arjun Ashokan), a folk singer who escapes slavery only to find himself lost in a mysterious, decaying mansion ( mana ). He is "welcomed" by the enigmatic Kodumon Potti (Mammootty) and his silent cook (Sidharth Bharathan).
Legend Mammootty delivers a masterclass performance as the menacing Kodumon Potti, supported by Arjun Ashokan as Thevan and Sidharth Bharathan as the mysterious cook.