Lacey Pinkerton is excited to attend the annual Mayfield Marathon. Her best friend, Elsie, is running in the race. Elsie's been training for months and she's ready to push through that finish line ribbon. The day promises to bring lots of cheering and excitement but when one of the top runners goes missing, an emergency search uncovers the tragic truth. Was it a terrible accident or foul play? Lacey plans to get to the bottom of itwith the help of her handsome detective boyfriend, of course.