The ultimate seat of power.

The final showdown.

Alexander Engel is tightening the noose around the resistance. No longer concerned by the optics of his actions, he's pressing his forces to finish the rebellion once and for all.

But he's not the only one taking his gloves off. As Max Schlager and Helen Chen go on a daring mission to even out the odds, Jason Hunt and his loyal crew prepare for the final showdown. With their backs against the wall, they must take a stand against the cabal and win the war.

Or die trying.

DEUS EX MACHINA is the explosive final chapter in the internationally best-selling The Upgrade series.