A young girl named Katherine embarks on a journey to find a friend, which leads her to Misselthwaite Manor in England. There, she stays with her sickly cousin Margaret and stumbles upon an old diary that unravels a thrilling adventure. With hidden passageways, enigmatic clues, and a mysterious portrait, Katherine teams up with Margaret and Timothy to explore the secrets of Misselthwaite. Along the way, they discover an incredible power as Katherine learns that true friendship requires being a friend first. Get ready for an enchanting tale in "Return to the Secret Garden".