Elliot, a high-spirited and imaginative deer, spins a spooky story about the legendary Wailing Wampus Werewolf, a mythical creature said to roam the Timberline National Forest. His tale strikes fear into his best friend Boog, a domesticated bear who usually prefers the comfort of his cozy home over anything remotely frightening. With Boog's annual camping trip on the line due to his newfound fears, Elliot rallies their woodland friends in an effort to debunk the werewolf myth and help Boog regain his courage. They form a quirky and diverse team, setting out on a humorous and heartwarming adventure deep into the forest to uncover the truth behind the legend.

As they journey through the dense woods, the group encounters a series of funny and thrilling challenges that test their friendship and bravery. Along the way, they bump into familiar faces like Mr. Weenie the sausage dog, McSquizzy the squirrel, and several amusing human characters from the nearby town. The search leads them to unexpected places and amusing misadventures that bring the forest's wacky inhabitants closer together. Each character contributes in unique ways, highlighting themes of teamwork, facing one's fears, and the value of camaraderie in overcoming obstacles. Their adventurous trek through the forest sets up a lighthearted yet suspenseful exploration of whether the werewolf really exists, gradually building up to the film's climactic resolution.