A serial killer is on the loose, and they’re targeting sirens. Thalia must pull together her new pack of unruly cubs while dealing with her ex, and try to stop the murderer. The problem is, she’d much rather return the cubs to whichever ditch the Sisters dragged them out of, and help the murderer kill the sirens. Thalia is a hot-headed, stubborn, wild-child shifter who happens to be Wyrd Bound. She’s been away from the clutches of the Wyrd Sisters (that’s the Norse fates to you and me) for some time, where she was enjoying tricking black market traders out of their money. She knew her vacation had to come to an end at some point, but she kept telling herself she had another decade or two. Unfortunately for her, she was quite literally made for her role. She belongs to the Sisters, and they had work for her to do. She’d tell you she wasn’t made for this “saving the day” stuff, but she’d be wrong.

Deep in the ancient forests, a strange cult led by angels is slaughtering innocent humans. The Wyrd Sisters send their troubleshooter Thalia and her pack into the forest to stop them. Thalia thinks this will be a welcome distraction from problems with her pack and with her ever-more-tangled love life … but there’s more going on than she knows. The leader of the cult has an ambitious goal: To kill the gods. All the gods. Thalia finds herself torn between her past and a possible new future. Does she chase her centuries-old dream of freedom, or stand by the Sisters – and pay the ultimate price?