Caroline Abbott is doing what she loves most, sailing on Lake Ontario with her Papa, when her world turns upside down. A British officer boards their sloop, announces that Britain and America are at war, and takes her father prisoner. As Papa is led away, Caroline promises him that she will stay strong and steady until he returns. She tries hard to keep her promise by helping Mama run the family shipyard. The British attack her village, and it looks like the American side is in trouble. Can Caroline stay steady enough to help win the day?