The adults are all dead. Society has collapsed.

As Mother Nature pursues her latest cull, the children of Heron Village are hanging on by a thread. Traumatised by the reign of David, Gus, Chess and Charlotte enlist the help of a bigger and better organised group from London - a group who want to rebuild the world the way it was before. When David is dethroned, it seems fresh hope arrives with the spring - yet they have not found his body. Is he still out there? Reuben remains suspicious of the London groups intentions and is becoming more animal in nature. Is his the only way forward? And as spring breaks and the snow thaws, a brand new world lies on the horizon...