The horrific true crime cold case of Marcia Trimble, the little girl who disappeared while selling Girl Scout cookies and was discovered a month later, strangled. This mystery haunted her family for over 30 years. When nine-year-old Marcia Trimble was murdered in 1975, her devastated parents believed justice would be served. But without a clear suspect in sight and without the ability to analyze DNA evidence, fingers pointed toward the family and toward neighborhood boys without any definitive conclusion. Police were left at a loss to find any kind of evidence that would lay this brutal murder case to rest and bring peace to the long-suffering family of this innocent little girl. A Season of Darkness catalogs the gruesome account of the murder and its awful aftermath, detailing the thirty years of wondering, silence, and investigation that would eventually lead to a shocking, unexpected, and long-awaited concusion.