Embark on the first thrilling journey of The Adventurers series. In 'The Landlord,' a group of curious young friends finds their summer vacation taking an unexpected and mysterious turn. The reclusive owner of an old, imposing house becomes the center of their investigation. Strange noises, secret codes, and puzzling clues lead them to believe that the house holds a significant secret. They must unite their skills and courage to uncover the truth about the enigmatic landlord and the history hidden within the walls, setting the stage for their future adventures.