With three teachers disappearing without a trace, Sergeant Lindsay Boxer takes the lead with no clues and no suspects...

The odds of finding the women alive are getting slimmer by the second and as Lindsay is under pressure at work, she needs the support of her husband Joe at home too.

But her husband drawn into an encounter with a woman who has seen a ghost - a notorious war criminal from her Eastern European home country, walking the streets of San Francisco.

When Joe's informant disappears, the two investigations collide.

It will take the combined skills of Lindsay, Joe and the entire Women's Murder Club to protect their city, and themselves, from a monster.