Humanity has gone nearly extinct. Only four humans remain—two men and two women, desperate to survive on a floating island. As they spend more time together, arguments on how to move forward threaten to drive the four of them apart.

Humanity has gone nearly extinct. Only four humans remain—two men and two women, desperate to survive on a floating island. As they spend more time together, arguments on how to move forward threaten to drive the four of them apart.