A huge surprise is waiting for the Bobbsey family. When an adorable, abandoned baby named May is suddenly found and brought into their home, the entire house is turned upside down. Bert, Nan, Flossie, and Freddie are absolutely thrilled to help take care of the sweet little girl. They spend their days playing with her, making her laugh, and helping their parents figure out exactly where the mysterious foundling came from. But the joyful days quickly turn into a massive search when Baby May vanishes without a trace. Heartbroken but determined, the four siblings know they have to step up and find her. Putting their sharp detective skills to work, the twins begin tracking down clues around the neighborhood, speaking to strangers, and trying to piece together the puzzling timeline of her disappearance. Follow the brave siblings as they embark on an emotional and suspenseful journey to bring the baby safely home. You will be on the edge of your seat as the children navigate surprising twists and uncover secret information. This classic mystery highlights the incredible power of family, showing how far brothers and sisters will go to protect the people they love.