Alexandra Wolfe has been trying to stay out of trouble. Honest! But with budget cuts being what they are, Alex and Casey find themselves putting on a uniform twice a month to help out the officers on the street. The ladies are right in the middle of rescuing an errant emu when their sergeant, Kate Brannigan tells them to meet her at the Rillito Race Track. There's been a fire in one of the barns and a body has been discovered buried in a shallow grave. The tricky part comes when Alex discovers that the barn belongs to her mafiosa friend, Gianina Angelino. Tightrope walking is one of Alex's specialties and when she begins digging deeper into the cause of the fire and Gia's activities, well, let's just say her balancing act is about to be tested to the limit.