Hero of The Dreadful Lemon Sky is Travis McGee, a man of universal interest and independent means who lives on an old houseboat he won in a poker game. One evening a young woman shows up with a suitcase full of cash. McGee agrees to be bagman. She tells him what to do if she doesn't return. When she doesn't, McGee is left alone to deal with an intrigue that involves drugs, fear, passion, and death.