Oliver Fraisola has been in an accident that has caused him memory-loss. All he has to direct him forward is a key that he wears as a necklace, with a mysterious "A" letter engraved on it...
With the key as his only guide, Oliver finds himself in the countryside town of Beranshade.
After a series of events and his past start to unravel, Oliver begins to question: just what exactly is his connection to this town? And will he be able to recover his memories?