'Origin' has a total of 35 episodes and is told from the first-person perspective of Fiona McClain, a fourth-generation tea maker from Kentucky, USA. It follows her life story as she experiences marriage betrayal and career collapse, yet stays true to her family's tea-growing roots, relying on traditional tea-making skills to be reborn and pass on the tea legacy. At its core, it revolves around the roots of tea, the human heart, inheritance, and redemption.