The train's doors hiss shut, trapping a sea of commuters in the claustrophobic carriage. Amidst the daily grind, a hidden predator stirs. A chikan, expert in the art of groping, begins his subtle assault. His roving hands find their targets, squeezing and pinching, causing silent outrage and mortification. The victims, pinned against each other, can only endure the degrading journey, their secret tormentor unseen and unchallenged.