A shadowy conspiracy unfolds as President Kelly, a prominent anti-mutant figure, strikes a deal with the sinister geneticist Mr. Sinister to create an army of powerful Sentinels. Kelly's ultimate goal is to capture the X-Men and harness their DNA for Sinister's cloning experiments. The X-Men find themselves in a desperate struggle for survival as they confront a new breed of Sentinels, each one a twisted amalgamation of fallen mutants. With their backs against the wall, the X-Men must unravel the mystery behind this diabolical plan and face a threat that challenges the very core of their existence.
