No matter how awful the world is, there is always someone who proves that good people will always win. Maybe he is the First and Only chance that fate, which is never fair to you, offers. The name of that chance that will change the fate of Eylül, a high school student who is only eighteen years old, is "Ali Asaf Denizoğlu". The place where the story begins is a high school in a town in the Aegean... The place where the two's paths separate and intersect again years later is the roof of the best hospital in Istanbul!