September Day is ready for a new start with her detective boyfriend. Believing she's finally put her husband's death behind her, her life upends when his mother sends her a safety deposit box key that could unlock the truth. But before she can examine the cryptic contents, she's brutally attacked, the files are stolen, and her former in-law is murdered.

Determined to uncover the harrowing facts, September and her dog Shadow battle to stay one step ahead of the merciless killer. But when they stumble upon shady business at a cattery, she must expose the mastermind before she too ends up in the ground.

Will Macy-Cat sniff out the key to unmask a decades-old horror? Can September and Shadow confront the past and live to tell the tale?

Hit and Run is the pulse-pounding fifth book in the September Day thriller series. If you like action-packed suspense, resilient characters, and four-legged heroics, then you'll love Amy Shojai's gripping adventure.