Ashwin is a ruthless and arrogant businessman drowned in a tsunami of loneliness. Due to family pressure, marriage is forced on to him. But, on the marriage day, a flagitious monster that was hiding for years, comes out. To taunt the city in his clutch. Due to a series of events, Ashwin's bride is replaced. As love blooms in between them, the devil starts to play a game of hide and seek with them. Will they find the HIDDEN? WARNING: Tanglish book!