When Heather Shepherd hears that Detective Davidson's daughter, Tara, has just been found dead, she's horrified. Her horror soon turns to shock, when Davidson turns up at Donut Delights and makes it clear that Heather is his prime suspect. Heather is set on finding the truth, armed with her new knowledge thanks to her forensics course, and her bestie and doggy Dave for company, she sets out to solve the mystery. But internal issues at the police station see Ryan kicked off the case, leaving Heather bare to the attentions of a non-too-please Davidson. She had to balance an influx of orders for Cinnamon Crunch donuts, and the mystery or she might end up losing it all. Heather has to find her focus or she might be blinded by the facts in this case. Sleuthing has just become as complicated as her recipe for cinnamon crumbles.