As the Phony War morphs into the Blitzkrieg, two British intelligence officers risk getting trapped behind enemy lines in the ninth Deadly mystery from USA Today Bestselling author Kate Parker April, 1940. Hitler is invading Denmark on Tuesday. Olivia Redmond has only a weekend to bring a Nobel Prize winning chemist and his war-altering research to Britain. The scientist and his wife want to leave, but their troublesome daughter will do anything to stop her parents from departing. The scientist's wife was close friends with Olivia's long dead mother and wants to talk about her, in stark contrast to Olivia's father who won't mention his wife. Olivia feels protective toward the invalid woman with her photos and details of Olivia's mother's life and wants to get her to safety. When the daughter's German fianc ?is murdered, the police refuse to let anyone depart until they find the killer. If Olivia wants to escape Denmark with the chemist and his breakthroughs, she will have to unmask the killer before the Nazis stop her forever.