Because the series is cancelled, the team never solves the biggest mystery of all --- who Ghostwriter really is (or was)!
Lenni's song "You Gotta Believe" from Don't Stop the Music is played at Tina's party.
We don't know if Casey's story wins the contest because they cut to Tina's party and then the show ends.
CBS did a new Ghostwriter series, a few years later.
This is the last episode of the series due to PBS funding being cut by the Congress. The series in a short time did help the careers of various guest stars.