The episode starts with Ash and co. walking into a town after getting off a cruise ship.
Cilan mentions something about some comet.
Opening.
They comes across some ruins of a town.
Alexa is missing something and then tells this story of Aaron, some guy who did something a while ago and there was also the mention of a comet in the story.
Team Rocket lurking behind some bushes.
Some girl gives Ash some golden star medal for...some reason.
Team Rocket cosplay as Ghost Pokemon.
Ash and co. arrive at some temple, where some rare Woobat come flying out of.
Then some rare Venipede walk down a passage way.
Iris and Ash fight.
The totally real Ghost Pokemon that aren't Team Rocket in disguise or nothing are in some room waiting for Ash and gang.
Wait, those Ghost Pokemon were really Team Rocket and they try to take some statue of that guy from the story/legend.
Waht a tweest!
Some real Gengar and Banette surround Ash and co. as well as Team Rocket.
Alexa gets Noivern to attack the Pokemon and then they escape from the room.
Dare Da? Banette.
Everyone is now exhausted after being const escaping and for some reason Noivern bites Meowth.
Alexa points a finger at Team Rocket...someone never learnt their manners.
The Banette and Gengar come back for round 2 and so Ash and co. run away again.
And now some Dusknoir chases them.
For some reason, Ash finally decides to attack the Pokemon.
That star medal thing falls from Ash's pocket and it attracts the attention of the Ghost Pokemon.
The statue is put back in its place and then some door opens.
Iris, Cilan, Jessie and James make it to some stadium by riding the statue.
Ash, Alexa and the rest are already there.
Pikachu gets stolen by Team Rocket and the Ghost Pokemon bring them back.
Pikachu escape from the glass box.
Frillish, Amoonguss and Noivern come out and battle eachother.
Pikachu uses Electro Ball and sends Team Rocket flying.
The Comet flies across the sky and the Pokemon are happy and that woman from before who is stalking them watches the Comet as well.
Ash is happy and dances with the Pokemon.
The next day.
The footage from Alexa's camera was erased and Ash can't find the medal thing.
The girl is now in that story book, because of reasons.