The long-anticipated clash has finally arrived. The world’s magic has been destroyed and all hope is gone. With the fate of Equestria hanging in delicate balance, Misty must lead her friends in their final confrontation against Opaline….
Sunny and Hitch learn that a dragon named Spike was responsible for sending Sparky's egg to Maretime Bay. They and their friends then seek out Spike to try to get some answers about what happened to Equestria and Princess Twilight.
(Contains slight spoilers for "Make Your Mark: Chapter 2", takes place after "Have You Seen This Dragon?".) Sprout tries to prove his usefulness to Hitch by agreeing to dragonsit Sparky. But Sprout soon ends up in over his hooves.
After numerous failed attempts to follow even the simplest of tasks, Opaline sends Misty out for one last mission, if she is to return unsuccessful then chances of getting her cutie mark will be forfeit, and she will be banished from the castle.
Opaline has been defeated, Misty is finally accepted by Maretime Bay, but everything goes downhill when she confesses to kidnapping Sparky. But surely Hitch will forgive her, it's just a silly dragon. Right?