Meg Dawson's world is turned upside down when her Aunt Penny makes a surprise appearance at the Seattle apartment building she once called home. But hidden within the true reason behind Penny's visit is a mystery that could rock the very foundations of the Morrisey community.

During her visit, Penny breathes new life into the beloved Morrisey Masterpiece Classic, an annual building scavenger hunt. Tensions soar and rivalries ignite among the residents, including between Meg and Laurie. But what starts as a friendly competition soon takes a dark turn when apartment 5C is broken into and a body is discovered.

Suddenly, the scavenger hunt transforms into a deadly game, with Meg and her neighbors unwittingly caught in the crosshairs. As the stakes rise and suspicions mount, Meg must figure out who killed the woman, and why, before it's too late.