The adventures of Sean Rosen and his fictitious manager, Dan Welch, continue as Sean works on his screenplay, deals with seventh grade and track practice and a dog-walking job, records his podcasts, and tries to keep his brush with stardom a secret from his parents. Meanwhile, a major Hollywood movie studio has sent a private detective to Sean's town to find out who this Sean Rosen kid is, and what the nature is, exactly, of his big idea.