An unidentified body. A vulnerable client. And a bodyguard pushed to extremes. Protecting people is Mack Atwood’s job. But when a mysterious murder leaves Aiden Riggs in danger, the determined bodyguard will go off book to keep the quick-witted computer genius safe. Neither is prepared for the heated chemistry flaring between them—even as a killer closes in. Until Mack realizes Aiden’s case is directly connected to shared events from both their pasts…