Then, the field commanders of The Demon Wars draft her and her friends to aid the four Gargoyle Guardians who fight the demons invading the city of Trebridge. The fate of the city hangs on Britt’s ability to lead and learn enough self-control to manipulate the natural magic of Grace. Meanwhile, she also needs to decide what to do about Cahal, her chemistry lab partner who is as strong as her and may have interests more than just protecting Trebridge.
“There Be Demons” is a continuation of M. K. Theodoratus’ urban fantasy, "Night for the Gargoyles". It tells the tale of Gillen and his team of Gargoyle Guardians as they defend Trebridge while teaching Britt and her friends – the untrained “reinforcements. Along the way, Gillen and Britt learn things about each other to make them stronger both together and alone.