As Christmas approaches, the baby growing in Elefteria's womb fascinates Yeraki. He and George do their utmost to pamper and protect the expectant mother, but once Leonides is born, Yeri's fascination with the baby grows rather than fades like his humans thought would happen. Enraptured by the infantile charm of his future master, Yeraki swears an oath that makes George's and Ellie's hearts sing carols of joy.