Four families, with a longing to escape the demands of the modern world, head back to the turn of the 20th century. They live for a month as a small Welsh fishing community on the tidal island of Llanddwyn, off the coast of Anglesey.

Four families, with a longing to escape the demands of the modern world, head back to the turn of the 20th century. They live for a month as a small Welsh fishing community on the tidal island of Llanddwyn, off the coast of Anglesey.