Satisfied that his life is in jeopardy, Satyakam, the son of a enterprise magnate hailing from Mussoorie, approaches Byomkesh with a plea for assist. The legendary detective quickly heads to Mussoorie, the place he finds out that the children worst fears have come true. Can Byomkesh unravel the thriller shrouding Satyakam's homicide earlier than it's too late?