Skylight and Rainstorm have officially gone against each other. The former loving sisters have been at each other's throats for moons, starting with the battle at the border. There's only one problem: Featherfrost. Featherfrost has always been the peacekeeper between the two, but what happens when she is forced to choose a side? 'When the Feather chooses a side, the other will become more powerful until terror strikes. Then the other two will rise and the cycle will repeat.'