The Devil's Share

November 1925. When Senator Randolph Cabot is found dead in his locked stateroom aboard the luxury steamship SS Monarch, retired judge Phineas Dahlgren is asked to investigate before the ship reaches Havana. With a bolted door, a missing vial of cyanide, and a passenger list full of secrets, Dahlgren must untangle a web of betrayal, greed, and forbidden liaisons—before the killer's carefully constructed alibis make the truth impossible to reach.