Everyone will simply be forgiven and Danny will marry John and Aria will marry Gendry, and Sam-Gilly. Tyrian Sansa.
Enter second half of the episode.
Hotpie has been summoned. He is the Westrous Master Chef, He has been commissioned to bake all of the wedding cakes .
The story will turn and show the troubles and tribulations of living and working in the kitchens in Westeros. His hands will be extremely calloused but strong and delicate because he has now learned to not burn his fingers. He panics and requests to use Dragon fire to heat the ovens. Only dragons fire can bake four wedding cakes of this caliber.
He will present them at the feasts and a toast will be made and each man will cut their respected cakes.
The cakes will be served and everyone will be disgusted it tastes terrible
At that moment she will reveal the truth and remove Hotpies Face, it’s Aria, she will the run off with Jaqen h'ghar in to the sunset, peaking off their faces and tossing them into the air as their black silhouettes grow smaller and smaller then the credits roll. And Grrm rolls over dead.