One Night by Eric Jerome Dickey 

For one night, a couple checks in to an upscale hotel. The pair seem unlikely companions, from opposing strata of society, but their attraction is palpable to all who observe them—or overhear their cries of passion. In the course of twelve hours, con games, erotic interludes, jealousy, violence, and murder swirl around them. Will they part ways in bliss, in sorrow, or in death?