When Biff, Chip, and Kipper discover an old, dusty box in a bedroom, they have no idea it is the start of a massive adventure. But they are not the only ones who know about the box's secret power. At the local school fair, a mysterious and frightening stranger tries to snatch the box right out of their hands! Luckily, the school caretaker, Mr. Mortlock, steps in and reveals he is far more than just a caretaker. With a flash of incredible energy, he zaps the strange man away. Before the children can even catch their breath, a strange, glowing doorway appears right on the horizon. They have no choice but to run through it. Jump into this fast-paced chapter book to join the team as they step beyond their normal lives and begin their epic fight against the dangerous Virans to save history itself!