Haven of Danger takes place in New England and is about Richmond, Virginia based private investigator Nathan Vallor's investigation of the death of Amos Thompson, an artist from a prominent family in New England and a friend of Vallor's fiancee, Jillian Hudson. Amos's mother wants to know more about her late son's lifestyle and hires Vallor to investigate. Vallor soon finds out Mill Valley is not the idyllic town it appears to be and Amos's sister, Verity, an antique dealer, has something to hide. Nathan is threatened, and brings in his back-up man, Hank, an ex-boxer, as he unravels the connecting web of intrigue that binds the villagers together in the trafficking of drugs.