Complex sentence: Brian's overlooked teenage son Dylan, now a TV star, shows up in town, so his father, rather than step up and try to be a good dad instead tries to cadge a job on the series' writing staff.
Split into simpler sentences: Brian's overlooked teenage son Dylan, now a TV star, shows up in town. So Brian, rather than step up and try to be a good dad instead tries to cadge a job on the series' writing staff.