When newly promoted Detective Sergeant Mattie Stone is assigned to her hometown of Wildemarsh for duty, her boss strictly warns that her job will not require the help of her three crime-writing aunts, Beth, Cat, and Jane. But when a murder takes place at the local crime-writers' festival, Mattie struggles to keep the well-meaning amateur sleuths out of the investigation.

With another killing and Beth a suspect, Mattie races to solve the case and clear her aunt's name. Was it Oscar's publisher, who was skimming off the top? His literary agent, who was at risk of losing Oscar's contract to a rival? Or a fellow author, whom Oscar had accused of plagiarizing?

80年代的新浪潮乐队“火山青年”正在城里录制一张新专辑，而此时的玛蒂尔达正在被指派去寻找一条走失的狗，但这个案件突然被搁置，因为乐队的一名成员被谋杀了。。。

Mattie investigates a new victim: the band's manager, who was stabbed in the back with a kitchen knife. While searching for clues, Mattie finds the recording the lead singer made right before she died, but an incident from the past may be the key to solving the case.

玛蒂尔达在寻找失踪母亲的新线索。与此同时，简阿姨的小说改编的舞台剧首映在即，且排练过程中经历了无数的混乱...

Contending with another murder and a missing lead actress, the theatre company is forced to switch up the cast, but their production is a mess. Despite Mattie's objections, Beth and Cat continue to pursue leads on their own.