After years of a boss-subordinate friction, 90skid Karthik and 2k kid Sumithra enter a "fake marriage" to satisfy family pressure, promising to part ways in six months. But when a bitter fight leads Sumithra to leave for real, a devastated Karthik begins living with a mannequin that looks exactly like her. When Sumithra returns to find him living this delusion, she must face the haunting reality of his obsession and love.