Ren grew up listening to his mother’s stories about Star Hosts—mythical people possessed by the power of the stars. In a twist of fate, Ren learns his destiny is closely tied to his mother's tales. He befriends a soldier named Asher, who helps him master his growing power, and together they comb the galaxy in search of Ren’s missing brother. But with allegiances uncertain, Ren must make decisions to protect the ones he loves from a brewing galactic war.