Brothers Frank and Joe Hardy race to track a theme park killer before the park is closed down for good, but keep running into dead ends while trying to narrow down the suspect list.
Frank and Joe travel to California to determine who is trying to sabotage the new X Games theme park, Galaxy X, but numerous suspects make it a difficult case to crack.
Dawn visits her brother and dad in California and finds it's better than she remembered. She begins to wonder if she should stay in California--but can she really leave Stoneybrook?.
In the mid- to late-1930s, Risky Chance grows from a spirited colt to a winning racehorse, but an injury and the Great Depression bring hardship that only a special little girl can help him overcome.
When 15-year-old Greyson Bennell volunteers to help with the cleanup effort after a massive mudslide devastates his California town, he is not expecting anything but some hard work--but this disaster was caused by a very peculiar storm and he soon realizes that the mud itself is making the other volunteers behave in an ominous manner.
Marley Sandelski has always felt invisible at school when he is not facing bullies, but a series of unexpected events gives him a taste of popularity and insights into some classmates who are well-liked or greatly-feared.
Discusses the California Gold Rush in American history, including the first discovery of gold, the 49ers, and how the gold rush changed the landscape of America.
