When an angel and a demon fall for the same mortal man there is only one solution...share him. Halloween night at the Inferno club always draws a crowd. When Tristan spots a stunningly gorgeous man dressed as a demon across the dance floor he sets out to draw his attention, little realizing he has already gained the notice of another. The demon disappears into the throng of revelers, but with the heavenly handsome Machidiel in his arms, Tristan doesn't mind. Even though Mac warns him they can never have more than a one-night stand, Tristan longs to see the man who gave him the best sexual...

With one of his lovers imprisoned in the Underworld, Mac has no choice except to go where most angels fear to tread. With Tristan imprisoned in the Underworld, the menage is broken. Angels are forbidden to enter the demonic domain and while Mac has been breaking rules in recent months, he doesn't have the power to enter the Underworld. Alastor is still unsure about his position in the relationship following recent revelations, but he cannot walk away when he is the only real link between his two lovers. Splitting his time between Mac and Tristan, he hopes they can soon find a way to reunite...