In the late twenty-first century, dramatic climate change has made life in Ireland almost impossible, and soon Tir na n'Og is faced with a refugee problem, partly because of a warlord who is a member of the Liddy family.

To prove that she belongs in a place where only the smartest and most useful are welcomed, twelve-year-old Yolanda learns that her survival rests on the rediscovery of a long-extinct beehive that could be the answer to everything. In a future shaken by climate disasters, Yolanda Cicer̤n knows that nature is something to be feared. From the crops that don't grow to the terrifying creatures that roam the countryside, Yoly's life in the Valley is brutal...

Told in alternating voices, twelve-year-old Sami, from a village along the Bay of Bengal, and fourteen-year-old Yuki, from Northern Canada, strive to protect their homes from the encroaching damage brought on by climate change.