Marley Claviger is just trying to get her life together. Stumbling into an ancient conflict between celestial forces is going to make that a whole lot harder...

When Marley wakes up to a phone call from a pair of terrified children, she doesn't expect to be pulled into a secret war. She rescues them from an empty house and promises to find their missing uncle. She even manages to feed them dinner. But she barely feels competent to manage her own life, let alone care for small children with strange, ominous powers...

And when a mysterious angelic figure shows up and tries to claim the girls, it all falls apart...

Plagued by visions of disaster, Marley has no idea what she's gotten herself into, but she knows one thing: magical or not, the kids need her