After a hundred and fifty years at the bottom of the ocean, a collection of dangerous artifacts has finally surfaced and it's up to the Warehouse team to retrieve it. But when the trail of the legendary Lost Cache leads to a remote corner of the Pacific Northwest, Pete and Myka are the ones who suddenly find themselves in danger of being snagged, bagged and tagged! For as they're about to discover, a deadly new adversary has them in her sights -- and the Artifact Games have begun!