Roc'h arnev island

You have received the sad news of the death of beloved grandfather, he lived in a village on the picturesque island in a small house. You often stayed with him, spending time in conversations and walks through the narrow village streets, admiring the sea views. The unexpected death seemed suspicious to you and you have decided to learn the circumstances of the case. Go to the island and solve this problem, whatever the result. Collect items, communicate with the villagers, they will give you the information you need.