Sophie needed to find her fated mate to avoid being forced to mate someone of her Uncle's choosing. Her cousin spells for her fated one, but an angry dragon shows up. This wasn't at all what she expected.
Knossos wakes up and he's not in his lair anymore. Someone has dared to summon him out of his slumber. The guilty party turns out to be his fated mate, so he can't burn her to a crisp. He wasn't really ready for this, so what's a dragon to do?