Patti discovers her Grandfather's model train set in the attic. Sadly, it is without the red caboose. When the train set goes missing, Patti fears she may be in big trouble. More
Patti investigates the attic one day while the babysitter isn't paying attention. She discovers many things but her most delightful discovery is her Grandfather's model train set, Old '49. It is missing the little red caboose, but she admires and plays with it anyway. Until one day the train set itself goes missing. Little does Patti realize there is a wonderful surprise in store for her.