A different 2nd quarter quell

[AU] 'For the 50th hunger games, a tribute will also be reaped from the Capitol who will be able to win along with another tribute if alive among the final 2.' When 15 year old Effie Trinket is chosen as the single Capitol tribute for the quarter quell, she believes her life is over but what happens when she meets the two tributes from 12, Haymitch Abernathy and Maysilee Donner?