A dead explorer wakes in the past, trapped in the womb, carrying memories of a future apocalypse and a broken System that should not exist yet.

Then the glitch gets worse.

He was supposed to be born alone. Now he is one half of a pair of identical twin girls: Emma and Kayla Channing. Bound by soul, linked by the System, and armed with impossible future knowledge, the sisters begin preparing for a world that has no idea what is coming.