In the quiet suburbs of San Diego, Jaune's ordinary morning run takes a fantastical turn when a trip and fall catapults him into the mysterious Tunnels of Realms. Guided by a mentor in the form of a large sentient panther, Jaune navigates through these surreal underground realms, encountering glowing moss, mysterious creatures, and predatory tunnels. As Jaune grapples with conflicting lessons of kindness and brutality from his mentor, he discovers that the realms are not only filled with wonders but also with peril. A chance encounter with a red, monstrous beast sets off a desperate race for survival. Jaune's journey becomes a quest for self-discovery, asserting his newfound strength, and learning to say no to the challenges that confront him in the mysterious and perilous Tunnels of Yggdrasil