While two worlds must get along, the royal herd must strengthen with their new prince in order to be prepared for the minions of darkness.

A human Harmony Ranger ensign faces a decision between love and duty as his partner decides to venture down a different path.

Tyler and the Harmony Rangers are tasked by Celestia to investigate about the "Darkness Sisters". As Contact is made, unusual stuff happens.

A human learns he takes part of an old alicorn prophecy as protector of ponykind.