In a vibrant world where holiday magic intersects with reality, globe-trotters Jack and Lucy embark on a unique mission to locate the legendary figure at the heart of Christmas folklore. They are unwillingly thrust into this by a mysterious organization known only as The Coalition. As seasoned adventurers, Jack's charismatic bravado and Lucy's analytical prowess quickly spark friction yet also camaraderie. Their investigation leads them to startling artifacts and closely-guarded secrets, revealing an underworld teeming with holiday guardians and lore. Along the way, they encounter eccentric allies and formidable challenges — from mystical beings to unusual locations that blend fantasy with the real world.

Amidst the growing tension, an unexpected ally, former enforcer Harmony, challenges Jack and Lucy's understanding of their mission and its true stakes. Harmony’s surprising knowledge hints at a personal vendetta intertwined with broader implications for their quest. Time is against them as Jack and Lucy navigate through deception and evolving alliances, slowly unraveling the vast web of holiday-inspired intrigue. As they inch closer to uncovering the truth, they face a critical choice, realizing the fate of their world's enduring traditions might hinge on their decisions. Secrets surface that could redefine what they know about the line between myth and reality, forcing them to rely on trust and tenacity to prevent a looming calamity veiled in holiday optimism.