Fionna and Gumball have started dating, and Marshall is astonished, but he is determined to win his girl back. And how exactly is he going to do that? By making her remember all the good times they've had together.

As much as Fionna didn't exactly want to believe it she was head over heels in love with the hot vamp. "I thought you had to spend the day with Prince Gumwad." Marshel said. "I managed to get out of it." Fionna answered smiling. A devious smile crept on his face. Unknowing to her a plan was forming in his head that would throw their relationship out into the open.