Sherlock Holmes and secret agent/mailpony Flutterbreeze work against a criminal mastermind.

Finally back home, Flutterbreeze, mailpony/secret agent, tries to solve the mystery of a traitor....

A plot against Celestia sends Agent Flutterbreeze to Canterlot. Can he uncover the truth in time?

Flutterbreeze, mailpony/secret agent has been assigned on a mission to Ponyville, trying not to blow his cover.