Complex sentence: Influenced by Guy Ritchie's film, the role of the heroine, Irene Adler, was also expanded on during the show so that her love affair with Sherlock Holmes and is one of the series' main storylines.
Split into simpler sentences: Influenced by Guy Ritchie's film, the role of the heroine, Irene Adler, was also expanded on during the show. Her love affair with Sherlock Holmes is one of the series' main storylines.