Beyond the limits of mankind's understanding there exists a City, created as a sanctuary for the survivors of a brutal and bloody war. Within the city of Summerfeld the last mythical creatures live out their days in peace, fiercely protected by twelve immortals: brave defenders known as the Guardians.Quinn has returned to Summerfeld determined to save the life of her friend and to avenge her sister's death. Tristan is the only one who can help her save Rafe. Drake holds the key to finding Avery's killer. Torn between the two men, Quinn knows that eventually she will have to make a choice. One that could bring about the fall of the City she has sworn to protect. With their enemies at the gates, the wards of Summerfeld have never been more vulnerable.