Twilight has to break up with Flash Sentry due to royal reasons... and the fate of Equestria. Pinkie Pie, (with the help of Cheese Sandwich) throws a party. A 'So Sorry You Broke Up I Hope You Feel Better Soon and Find Your True Love Someday' party. Yes, that pony does have a party planned for every occasion!
But Twilight isn't feeling good about it. She goes into a mini depression, but decides to go. She was expecting a small get-together... not all of her friends getting paired up! And the worst thing to happen happens, Flash gets together with one of Twi's friends.
Will Twilight come to terms with what really has to be done? Will she accept her new fiancé? Will her friendship survive?
Find out.