Maggy Thorsen's head is spinning thanks to partner Sarah Kingston's latest idea - selling luxe espresso machines in their Wisconsin coffeehouse, Uncommon Grounds. But Maggy soon faces a far bigger problem when her fianc , sheriff Jake Pavlik, makes an official call on the coffee house's star barista, Amy Caprese.

Amy's wealthy new beau, investment adviser Kip Fargo, has been shot dead in his bed - and Amy is the last known person to see him alive. Kip had just proposed to Amy, but she turned him down, triggering a terrible argument and making Amy the prime suspect. Determined to prove her barista's innocence, Maggy soon makes a number of disturbing discoveries. Can she untangle lies, jealousy and Kip's shady dealings in time to avert the disaster that's brewing?