Love with the proper stranger

the long version

His name wasn't Jonathan Mills, and he wasn't vacationing on the idyllic island. FBI agent John Miller was on the trail of a notorious female serial killer, and he couldn't even blow his cover to Mariah Carver, who had unwittingly entangled herself in a web of deadly deceit. John couldn't deny that Mariah was the sweet, sensuous woman he had been waiting for all his life. Nor could he act on the passion that tormented them both, because the daring lawman was poised to marry another woman: the ruthless Black Widow, who married--then murdered--her victims.