Grace McKenna has been rescued from the evil machinations of Professor Edgar Smith, but not only has the scientist escaped – his scheme to force the next evolution of mankind is about to break.
Now Grace and lover Benedict Thomas, along with friends Charity Peterson, Emery Wade, Lucas Kaufman and Heidi Fische, are in a race to find a way to stop the poisoned rain from falling. Rain that will alter just forty percent of the population but will kill the remaining sixty.
There is one possible solution. One that brings Grace and Benedict full circle. Whether it'll finally bring an end to their fight against Smith is another matter.