Complex sentence: The episode featured Chris discovering he had a son with series original Alison Raynor in 1996, and the conclusion to the three-year Kieran Mitchell storyline which saw the shows second highest ever ratings.
Split into simpler sentences: The episode featured Chris discovering he had a son with series original Alison Raynor in 1996. It also featured the conclusion to the 3 year Kieran Mitchell storyline which saw the shows second highest ever ratings.