She had a deadline: a film‑festival submission due in twenty‑four hours. The story she was about to craft would have to capture the feverish energy of a train that never stopped, the clash of cultures, and the hidden lives that rode its sleek carriages. But as the midnight hour approached, something else—a mystery—began to unfurl on the tracks outside.

Arjun’s laptop pinged with an alert: The AI was trying to forecast a sudden market crash, but the data was being skewed. Something on board was interfering. He glanced around; the only unusual thing was the flicker of an old, brass keychain hanging from the seatback—a keychain shaped like a tiny Ganesha, its eyes gleaming.

He was lying. Triptaker was Bhola. The target. The old intelligence officer had faked his own death six months ago, hired five assassins to kill each other on a moving train, and planned to walk away with the bomb — which he would detonate remotely after disembarking, erasing all evidence.