Donny, a friend's brother, is invited to Summer Vixen's 21st birthday celebration, but when Donny gets there, nobody else is there. You see, a few years prior, Donny had given Summer a small promise: he would accept her anal virginity upon her 21st birthday. Summer didn't forget about it, but Donny didn't. To get the act done, she purposefully asked Donny to her party a little early.