At the beginning of the 20th century, Claude Roc, a young middle-class Frenchman, befriends Ann, an Englishwoman. While spending time in England with Ann’s family, Claude falls in love with her sister Muriel, but both families lay down a year-long separation without contact before they may marry.
In nineteenth-century California, two children listen to the adventures of a grandfather who fought against the Yankee invaders. At that time a mysterious man, dressed in masked black, appeared.