You shouldn't attend someone's party if you aren't welcome there.
Gabe heard that Shelly was having a party, but he wasn't invited.
Gabe wants to go out and have fun.
Gabe meets up with some of his friends to go to the bar.
Gabe gets dressed and drives over the Shelly's party at her house.
Gabe has a great time having a few drinks with his friends.
Shelly tells her friends to throw Gabe out of the party.