Emily and Nate Weaver leave the city for the rural comfort of Nate's ancestral home in the country. Once there, Emily is plagued by horrifying visions and haunted by the ghosts inhabiting their isolated new home.

AXIS, a gigantic coiling plant, stretches high above the clouds... At its center is a village whose people are in mortal danger because Axis is withering... it's sap is drying up. The people beg their gods for help... but to no avail. Compelled by a mysterious force, Kaena, a rebellious, high-spirited teenage girl will defy the High Priest and her people's ancestral beliefs to take the perilous journey through the Axis and discover what dark secrets lie beyond the clouds... A dying world, an evil force, a terrible secret...