Cali Stanton has always wanted to be a doctor. But when her father is injured, she finds herself behind his desk at Stanton Enterprises. Matthew Andersen's only priority is keeping the company and its CEO safe. That is easier said than done when someone starts making threats. Things get personal when Cali becomes the latest target. Can Cali and Matthew put aside what lies between them long enough to find the Hidden Threat before it's too late?