For decades, SummitClan has conquered the hills and cliffs of Aspen, Colorado. However, upon Tawnystar's rise to power, tensions have crept within the giant Clan-- threatening to split it apart for good. When SummitClan splits in two, Tadpolepaw and Juncopaw, healer apprentices, have to navigate their changing world. Threats loom at every corner, and time will tell what lies within silver-laced tunnels and pitch black skies.