Pokémon Colosseum/Phenac City

At the first step, you'll see a cutscene where 2 shady guys are carry a moving bag. They notice you and then comes a battle.


 * Shady Guy Folly

They will run away and you will have to open the bag; a girl will be in the bag. She will ask your name; then she will tell you her name you can change it to anything you want. the girl mentions something about seeing strange Pokémon, the townspeople tell you to head to the mayor's house; the house is up the stairs and to the left. When you try and enter the mayor's house; a strange guy comes out and mentions something about meeting again, then he leaves.

When you get to the mayor; the girl tells him about the strange Pokémon and he will tell you to go to the Colosseum. you go there and the receptionist says that the event has been canceled.