"Every lock has a key," Sethu said, sipping his black coffee. "And every brain has a blind spot. You programmed the vault's life support to drop oxygen levels while pumping in a targeted neurotoxin, triggered by his own heartbeat hitting a certain threshold. Brilliant. But you forgot one thing." Aryan’s smile faltered. "And what is that?"
The neon lights of the city blurred through Inspector Sethu’s rain-lashed windshield. It was 2:00 AM. He had just received the call.
A sudden, 0.5-second flicker in the vault's temperature readouts.