Bridgette Livingston has spent the last six years on Deselvo Island hiding from Horace, the man who murdered her father and brother. Reoccurring nightmares of the military coup that took their lives haunt her nights. The frustration of knowing her father's murderer wears his crown haunts her days. When a mermaid offers to take her into the city to find answers about her past, Bridgette readily accepts. However, the answers she finds only seem to lead her further down a dangerous path.
Learning of the prophecy that names her the Destroyer of Evil, and the most powerful witch Carletta has ever seen, Bridgette embraces her destiny. With the help of Alan McKinley, the son of Horace's army commander, she begins to prepare for the final battle. Encountering gorgons, dragons, and an unstoppable assassin, she learns to rely on her friends and her own magic. In the end, only her experience will save her on the battlefield with Horace.