The flaw had been buried in Line 81 of the core protocol, a relic of the OS’s alpha phase. Alex discovered it while debugging a failed drone grid update—a single misaligned binary in the memory handler. Unpatched, it could trigger a recursive crash, cascading through Nexus Prime’s smart grid and plunging the city into darkness. Worse, black-market tech brokers had already auctioned the exploit for 3 million credits. Time was the enemy.