Vampire Cat Crawfield is experiencing a new role as a mother. Turns out, trying to manage a perfect domestic life for her daughter is more … challenging than Cat ever imagined. Since things have finally quieted down in the undead world, her husband, Bones, suggests that Cat recharge by spending a girls-only getaway with her best friend, Denise.

Cat and Denise intend to spend the week doing nothing more than dancing, drinking, and sightseeing. Unfortunately, they stumble across a deadly summer solstice ritual performed by powerful witches who have no intention of letting their uninvited guests live to reveal what they saw. Will this girls-only getaway turn out to be the last vacation—ever!—for Cat and Denise?