While sailing from Glasgow, Scotland to America in the year, 1912, young Sally meets with danger she had not expected. A spoiled, only child, she leaves her homeland when her father remarries after the death of her mother, two years earlier. She meets another young girl who is traveling steerage aboard the S.S Columbia while she is traveling first class. The two become friends and heroines as they solve the mystery of a missing passenger and witness the death of another. After being in the new country for a mere four months an unfortunate accident changes the whole direction of Sally's life...