Scent of Danger — Alexa Verde

To find her missing sister, small-town cop Maya Hutchinson risks her life by posing as her glamorous twin. Under escalating attacks, Maya accepts protection from dashing senator's son Connor McNamara. Cop turned PI, Connor McNamara has his own secret mission and is forced to choose between family loyalty and love. When the scent of danger draws near, will Connor and Maya survive long enough to forgive and accept each other?

Secrets of Rios Azules series: sweet, wholesome books about faith, love, and murder. Welcome to Rios Azules, a small Texas town where rivers and emotions run deep, and the secrets are deadly.
Prequel River of Danger (Jacob and River), Book 1 Color of Danger (Luke and Mari), Book 2 Taste of Danger (James and Soledad), Book 3 Touch of Danger (Ivan and Julia), Book 4 Scent of Danger (Connor and Maya), Book 5 Danger Under the Mistletoe (Sebastian and Rachel).