Chrysalis appears in the Crystal empire to reveal that, when she was impersonating Cadence, she and Shining Armor had a child. Unable to feed the young Prince Hornet with love alone, she forces Cadence to adopt the child. Sadly, Prince Hornet is not only destructive, he is a living testament to his father's unintentional infidelity, putting intense strain on both Cadence and Shining Armor. Can Cadence learn to cope with this problem child and the fact that she now knows she has "shared" her husband with the creature she hates the most?