Their pretend marriage...

Just raised killer stakes...

Relentless ATF agent Quint Casey won't let his best lead die with a murdered perp. He and his undercover wife, Agent Ree Sheppard, must secretly protect a witness's family and home in on a powerful weapons kingpin. But their undeniable, unsanctioned attraction is breaking too many rules for them to play this mission safe--or guarantee their survival...

From Harlequin Intrigue: Seek thrills. Solve crimes. Justice served.

Discover more action-packed stories in the Ree and Quint Novel series. All books are stand-alone with uplifting endings but were published in the following order:

Book 1: Undercover Couple
Book 2: Newlywed Assignment
Book 3: Eyewitness Man and Wife
Book 4: Mission Honeymoon