Complex sentence: Michael warns Helen, who continues not to listen, so He and his sister, Debbie (Marnie Reece-Wilmore) set a trap for Len and when Len is caught, he tries to explain himself to Helen, she sends him packing.
Split into simpler sentences: Michael warns Helen, who continues not to listen, so he and his sister, Debbie (Marnie Reece-Wilmore), set a trap for Len. When Len is caught, he tries to explain himself to Helen, and she sends him packing.