A desperate struggle for existence unfolds as dragons and darklings clash, with the very fabric of time under threat. The wicked sibyl Gwilinna has unleashed the Ix, corrupting all life and forming a darkling army led by Voss. Voss has captured Gawain, one of the last dragons, to harness a dark energy deep within the Earth. To combat this encroaching darkness, the Pennykettle dragons call upon David and Rosa, enigmatic travelers from the future, hoping their aid can prevent global destruction and restore balance.

The series is known for its intricate world-building and the unique concept of dragons interacting with human society. Readers often praise the imaginative elements and the ongoing narrative that spans multiple books. The conclusion of this arc is anticipated to resolve the central conflicts established throughout the series. The blend of fantasy elements with a sense of epic scope suggests a satisfying, albeit potentially complex, resolution for long-time fans.