Arms. Every man has a pair. But not all arms are created equal.

Nine years ago the Desolation laid waste to humankind, leaving only scattered pockets of civilization in its wake. Now John Osborne drifts through the ravaged remains of the North, his only companion the six-shooter at his side.

When a young girl finds John unconscious in the northern Minnesota wilderness, she urges her village to help him. But while John is still bed-ridden, the girl inexplicably vanishes. Recognizing that the disappearance is no mere coincidence, John takes it upon himself to find and bring her back...

Hunter. Hunted. Huntress?

Gunslinger by trade, cyborg by circumstance, John Osborne fearlessly roams the Desolation-ravaged ruins of North America. But with his health rapidly failing, John grows desperate to learn the true nature of the artificial appendage grafted to his shoulder.

Running out of time and options, his last hope lies on a remote isle hidden in the far reaches of the Northwoods. Though he suspects a trap, John has no choice but to venture to the mysterious Mallard Island.

Can John unearth the knowledge he seeks? Or will he fall victim to a fate far more sinister?...

A dead metropolis. A strength-sapping bionic arm. A long-forgotten friend.

John Osborne has a four-week lease on life. His survival depends on finding the Northland Core, an enigmatic power source hidden within the forsaken ruins of Minneapolis.

With a whole city to scour and time growing short, John needs all the help he can get. When his former commanding officer arrives in Minneapolis and offers to assist, John can hardly refuse. But he's soon to discover that in this Desolation-ravaged world help comes at a high price.

Every twitch of John's arm draws death closer. Can John...