Walter wakes up with a hangover, he no longer remembers the evening spent in a bar in the company of a woman. But he must recover quickly because it is a great day for the team: it is the inauguration of Elia’s new building, whose security and technology have been entrusted to Walter and the team. During the event, a hacker hacks the building and blocks all exits: Scorpion and dozens of civilians get stuck in a burning building. Starts a battle between Walter and the hacker.