Maren Ohmsen, owner of the Baltic Sea restaurant “Vier Meerjungfrauen”, wants to marry again after the death of her husband. The reactions of her three daughters are very different. But the wedding party is already just around the corner, and the daughters – stewardess May-Britt, cellist Muriel and wannabe presenter Merle – set off for the Baltic Sea, their more or less problematic relationships with their husbands in tow.