Daria and the magic hat

Have you ever wondered about time travel? Do you think this is possible? Well, Daria has never thought about that, but when her grandpa passes, she discovers a photo album that makes her wonder if this is possible. The photos show Grandpa in places where people use clothing from other times, could it be that Grandpa was in a festival in all those photos? Or could it be something else? As Daria starts paying close attention to the pictures Grandpa is in, she discovers some details that make her wonder whether Grandpa had a secret.