The Disappearance

In the 19th installment of the Hardy Boys Adventures series, brothers Frank and Joe team up with Frank's girlfriend Jones and her friend Harper at a lively comic book convention. Their fun takes a dark turn when Jones accidentally swaps phones with Harper and starts receiving unsettling messages. After discovering Harper's apartment ransacked and her missing, the brothers delve into the mystery of her disappearance, uncovering hidden identities along the way. With suspense building, Frank and Joe race against time to uncover the truth behind their enigmatic new friend.