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?

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.

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.

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.

Joe tries to cover up his connection to a criminal and ends up learning his identity. While following Laura's investigative footsteps, Frank learns his Grandmother is lying to him.

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.

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.

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.

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 gang races to stop a potential bombing at the Demon Day Parade, while Fenton makes a shocking discovery of his own.

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.

Frank and Callie make a shocking revelation about the Project Midnight test subjects, while Joe impatiently tries to enlist the help of J.B. Cox to get the power out of Frank.

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.

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.