Nightshine (Kyndred #4)

As a psychic, Samuel Taske can see the future, but he never predicted that he'd fall for San Francisco paramedic Charlotte Marena, the woman he's been charged with protecting. GenHance-the biotech company willing to do anything to acquire superhuman DNA-is after them. And when Samuel discovers that his Takyn powers have abandoned him, Charlie and her secret nighttime telepathic ability are their only hope for survival...