In the book "Festive in Death" by J.D. Robb, the story revolves around a mysterious death that occurs during the holiday season. The protagonist, Eve Dallas, is tasked with uncovering the truth behind a murder that disrupts the festive atmosphere. As she delves into the investigation, she encounters various suspects and challenges that test her detective skills.

The phrase "a hundred-eighty pounds of dead weight—all muscle" highlights the physicality and imposing presence of a character involved in the story, emphasizing the strength that belies their vulnerability. This description serves to illustrate the complexities of the characters and their interrelations within the plot, adding depth to the unfolding mystery.