At 03:02 on a Sunday morning, the world as we knew it came to an end. Mumbai suddenly went black -- no electricity, no phones, no internet and no working cars. It was as if someone had turned off the master switch of our civilization, turning us back hundreds of years overnight. We learned that it was not just Mumbai, but much of the world that had been impacted. We also learned that it was no accident. A deadly enemy was behind it. An enemy that...