In the second season of Tales of Zestiria the Cross, Sorey, a human raised among unseen spiritual beings called seraphim, holds a deep belief in a legend where humans could once perceive these creatures. Driven by a desire to solve this ancient enigma and foster harmony between humans and seraphim, Sorey's world changes when he visits the human capital and unwittingly becomes a Shepherd by extracting a sacred sword from a stone. Tasked with averting disasters, Sorey grapples with the weight of his newfound role, intensifying his quest for unity between the two races. Accompanied by loyal friends, the Shepherd embarks on a transformative journey towards his vision of coexistence.