From USA Today bestselling author Jennifer L. Hart comes a mother-daughter PI team, a cold case, and a little bit of luck!

It's St. Patrick's Day in Beantown, and Mackenzie Elizabeth Taylor needs the Luck of the Irish to solve her latest mystery—namely, who was the mysterious Uncle Al, the man who left her his apartment building as well as his PI business? But that personal investigation has to take a backseat to raising her teenage genius Mac, and dealing with her immature baby-daddy and demanding mother. Not to mention taking on a job that will actually produce some green.

The case is a gnarly dispute by two Irish pub owners who happen to be brothers as well as rivals over a missing inheritance. With the entire city out pub-crawling, Mackenzie goes hunting for a pot of gold...but winds up with a body instead.

With an assist from Mac, Mackenzie must slip into her gumshoes and go toe-to-toe with Detective Hunter Black, her neighbor, protector, and main squeeze, in order to solve her case. this case and claim the reward before someone else. Can the mother daughter team successfully investigate in the middle of a city-wide chaos? Or is their luck about to run out?