Now that they've finally received their cutie marks, the Cutie Mark Crusaders struggle with the question of what's next; the friends do not all agree on how to embrace their destinies.

When Sunburst discovers the lost journal of Starswirl the Bearded, Twilight becomes obsessed with saving her magical idol from a thousand-year-old prison.

With Starswirl and the other Pillars of Old Equestria back from limbo (where they’ve been trapped for a thousand years), Twilight and her friends must work together to defeat the Pony of Shadows.

Twilight and Shining Armor pit their wits against each other to settle a long-standing sibling rivalry, but they soon discover they are not the only competitors.