A lonely child lives in a house by the banks of the Mississippi River. The house is mysterious with a closed door between two apartments. The child hears a voice encouraging her to open the door, but it is locked. Finally, the key is found. The child is scared to open the door, but at the same time her curiosity is peeked. What is trapped behind the door? The Greatest Treasure is a recipient of the prestigious Mom's Choice Award. The Mom's Choice Awards ® (MCA) evaluates products and services created for parents and educators and is globally recognized for establishing the benchmark of excellence in family-friendly media, products, and services. Using a rigorous evaluation process, entries are scored on a number of elements including production quality, design, educational value, entertainment value, originality, appeal and cost. Around the world, parents, educators, retailers and members of the media trust the MCA Honoring Excellence seal when selecting quality products and services for families and children.