Maebara Keiichi, a young teenager, has recently moved from the city to the rural village of Hinamizawa with his family. He is adjusting quite well to his new life, making friends at the small school, playing games, passing time in relative happiness, when suddenly a gruesome murder occurs...

A mystery begins to unravel — tracing back to events five years ago. As Keiichi learns more about these strange events, he wonders if he will be able to face the truth behind all of this.

[Source: AniDB]