Officer Brinna Caruso wants perfection; exacting justice. She wants to save and protect the innocent in the world, no matter the cost. After a dead girl is found in the river with a mysterious tattoo on her hip, homicide detective Jack O'Reilly asks for Brinna's help. Unaware of the depths of evil that will be uncovered, Brinna finds herself flung into a dangerous frontier-an organized human trafficking ring.