When the secrets of Donovan's past sins are revealed, his and Julia's snow globe is threatened. With both personal and business endeavors at stake, he and Julia are forced to face the threats and dangers head-on, recognizing that villains don't always lurk in the shadows and allies come from the most unexpected of places. Don't miss a second of the much-anticipated conclusion to the Sin series. *BLACK KNIGHT, a full-length novel, is book four, the final novel in the Sin Series. Join the emotional ride along the white ribbon: begin with RED SIN, continue with GREEN ENVY and GOLD LUST, and find the dramatic conclusion in BLACK KNIGHT.