Katey Frost moved to the small town of Pine Falls to lead a quiet and peaceful life. She retired from teaching and opened her own small coffee shopSince Katey's arrival, she has helped the Chief of Police, Patrick O'Neil solve several cases, however, several town folks believe that all the recent troubles started with her and have taken steps to drive her out, including threatening her.One afternoon, to escape from all the hostility, Katey takes a break and heads to Snowman Lake to have a picnic with her loveable german shepherd puppy, Leroy.The woman who publicly threatened Katey's life earlier has been murdered in the local library.All eyes point to Katey as the one who benefits most from this.Katey must draw up all her strength and intelligence, as well as her incredible attention to detail, to not only prove her innocence but to find the real killer before she is next.