A young boy, Danny, tries to prove the existence of Santa by using his intelligence and gadgets. He and his trusted group go on an intense journey to find the truth of Santa.

Every year, tens of thousands don the Red Suit for families, parties and parades, but only a handful of men have reclaimed the connection to childhood magic by turning the portrayal of Santa into a full-time career. They Wore the Red Suit is a documentary featuring the rare individuals who have devoted their lives to keeping that magic alive in the world by actually being Santa Claus 365 days a year.