Marianne Messmann longs to escape her loveless marriage. On a trip to Paris, she throws herself into the Seine, but is rescued by a passer-by. While recovering in hospital, Marianne sees a painting of a beautiful port town and decides to embark on a final adventure.
Once in Brittany, she befriends a host of colourful characters who gather in a seaside bistro called Ar Mor. Among food, music and laughter, Marianne discovers a new version of herself - passionate, carefree and powerful. That is until her past comes calling...