Jadis has a daughter name Eirlys who she is closes as her child and possible worse enemy. For the next hundred years, the two ruled Narnia in an eternal winter. However Eirlys doesn't follow in her mother's footsteps. What would happen when the Pevensies arrive to Narnia to fulfill the prophecy and kill Jadis? Will Eirlys continue in her mothers legacy or help defeat her?