Cal Stone is a fictional character from the television series Manifest. He is the son of Ben and Grace Stone and has a close bond with his sister, Olive Stone. Cal is known for his intelligence and sensitivity, often displaying a strong intuition about the events surrounding him. Throughout the series, Cal experiences the mysterious phenomenon of the Flight 828 disappearance, which impacts his family and their lives. As the story unfolds, he grapples with the challenges of growing up while dealing with the supernatural elements tied to the flight and its passengers.