"Joe," I said, concerned, "hit the brake!" "I am," Joe said, pumping the pedal now. But the car didn't slow at all. The traffic light turned red as we hurtled toward the intersection. And suddenly I saw the one other car out this early on a Saturday morning - a huge Express Delivery truck! Joe screamed. I leaned forward, bracing myself against the dashboard. There was nothing we could do. It was speeding right at us!

Everyone in Bayport can't wait for the biggest event of the season: the premiere of G-Force - the newest ride by the world-renowned Piperato Brothers. Their creation is going to change the fortunes of Funsport, Bayport's small and recently run-down amusement park. Frank and Joe are friends with Daisy Rodriguez, the owner's daughter, and are first in line for the ride's launch. Purple lights click off, a huge whoosh emanates from the floor, loud music pulses....

One of the Hardys’ favorite writers, Nathan Foxwood, has recently died in a tragic car accident. Now, the press is swarming his house in Bayport to get the scoop on the novel he completed just before his untimely death. When Joe hears that Nathan’s wife is having a giant estate sale, he drags Frank with him. Who could pass up the opportunity to see inside their favorite author’s home? Nathan’s wife says she wants to get away as quickly as possible. She’s sure the house is haunted. But Nathan’s assistant, Adam, is not so willing to blame it all on the supernatural.

Rich girl Lindsay Peyton is throwing the biggest and best Sweet Sixteen bash that Bayport has ever seen. But when Frank and Joe discover that her car has been keyed, it looks like someone isn't so happy that Bayport's princess is showing off. Meanwhile, a group calling themselves the Scaredevils is filming themselves committing random mischief around town - including keying Lindsay's car - which threatens the security of Lindsay's big day.

"JOE!" Frank suddenly yelled behind me, but it was too late. A dark shape advanced on us from inside the doorway, and a bag was thrown over my head again. I could hear them doing the same to Frank too. Arms reached out and roughly pulled me inside....