Winter is over. FOR NEARLY TWENTY YEARS the world has lay still under a thick blanket of ice, but as the snow melts, the race to save the Sisters heats up. Meredith struggles to regain control of a country that used to be hers, Athena fights an enemy she doesn't understand, Shayna longs for a lost love, and Mila tries to reconcile her past with the unfamiliar present. Is there enough time to save them all?