The crime rate in Equestria has been rapidly increasing over the past year, and eventually leads to Mayor Mare having to hire more police in Ponyville, along with convincing a private eye to take residence there.

During the meeting where Mayor Mare and Twilight announce the new changes with the PPD and the residence of a private eye, somepony attempts to assassinate Twilight Sparkle and Mayor Mare, and Detective Sleuth and Applejack take the case.

Will Sleuth be able to figure out who was trying to kill Twilight and Mayor Mare, or will they bite the dust?