There is truly no place quite like home. After a long and exciting summer vacation, the Bobbsey family is finally returning to their cozy house in the familiar town of Lakeport. Bert, Nan, Flossie, and Freddie are excited to sleep in their own beds, see their neighborhood friends, and get back to their normal routines. But the warm homecoming is completely ruined when they walk through the front door and make a shocking discovery. While the family was away, a sneaky burglar broke into their house and stole several valuable items, including Mr. Bobbsey's treasured gold watch. The local police are entirely stumped, but the twins refuse to let the thief get away. Spotting a suspicious stranger lurking around their street, the brave siblings decide to launch their very own neighborhood investigation. Join the four young detectives as they search their own backyard for hidden clues, quietly question their neighbors, and piece together the timeline of the robbery. Along the way, they even find time to help another local family in need. This classic mystery proves that the most exciting adventures can happen right on your own front porch.