This book is about a spy who gets left for dead, a destitute Princess (Dagmar) and her companion. Dagmar and Julia have to leave Copenhagen, so that Dagmar does not end up in a convent, so they have to find a way to get passage on a ship to England without any money. The only way is for Dagmar to marry an officer/sailor, so that they will have free passage. So luckily Julia, Dagmars companion finds Leo injured in the Princess's back garden, they bring him in but the doctor declares that he will not live, so Dagmar sees their ticket to freedom by marrying Leo before he dies.
However, Dagmar tends to Leo so thoroughly that he lives and this is their story of how they found love, deception and murder!