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The Hardy boys and the gang embark on a daring mission to finally uncover the truth… but in revealing the truth could they unleash a dark power beyond their control?

Trapped and lost, Biff and Joe’s friendship is tested. Frank can only help find them by revealing too much to people he can’t trust.

Taking a step farther than their mother did and learning the nature of the object at the heart of the mystery, Frank and Joe's unity fractures over what to do next. Tensions between Chet, Callie, Frank and Stacy reach a peak.

Regaining possession of something long-lost, Gloria reasserts old power. Fenton returns and is stunned to see his sons in the middle of secrets that he, too, has uncovered. Frank enters an uneasy alliance, and climactic events are set in motion.

The gang joins Callie at Rosegrave with hopes of saving Frank, but they’ll require the help of an old foe and The Power of The Eye.

Frank and Callie look behind the veil at Rosegrave Prep and learn that Laura's investigation started in high school, while Joe tries to prove their conspiracy has a local police connection.

Frank and Joe exchange truths with their Grandmother and find a long-hidden secret in her home. Fenton finds what he's looking for. Meanwhile, other forces work against them all.

After an attempt to lure out the buyer of a twice-stolen object, Frank and Joe find themselves pursued by someone they believed to be dead. Their friends are welcomed onto the team.

Frank and Callie grow closer during an entrance exam to a prestigious school, only to find more secrets. Joe and Biff decide to hide his lucky charm from a threatening pursuer. Fenton takes another step in his search.

Joe suspects Dennis’s girlfriend, Lucy, is hiding something about the night he went missing, and Frank realizes The Eye is trying to show him something about the case.

With the help of Drew, the gang makes a daring plan to retrieve The Core, but their loved ones’ lives hang in the balance.

Frank and Joe Hardy return to detective work when a classmate goes missing.

The Hardy Boys get what they want most and must race to deactivate The Core before it’s too late.

When Frank is led to believe a local recluse is their prime suspect, the team attempts a risky break-in to retrieve the video camera Dennis lost in the woods.

After a shocking blow, the gang must divide and conquer to determine the identity of Deep Voice and get The Core back.

Betrayed by one of their own, the gang struggles to understand the meaning behind George Estabrook’s map and faces a shocking quid pro quo.

When the gang learns the location of George Estabrook’s hidden Codexes, they must enlist the help of an unlikely ally to retrieve them before anyone else.

With Frank back, the race is on to locate the third and final Relic, but the bad guys are hot on the Hardy Boys’ trail.