When twin foals are born at a neighboring stable, they're brought to stay at Horseland while their sick mother gets better. The twins are delightful, and the Kids fall in love with them. But their horses begin feel neglected and start acting out. Only Scarlet keeps her head on straight. She helps the other horses find ways of dealing with the new siblings. The others soon learn that, while their owners love the foals, they them no less than before. When it's time for the twins to go home, the horses are sorry to see them leave.