Complex sentence: The music video focuses on William Beckett, beginning with a second more violent and unpleasant version of him leaving his apartment the real William Beckett then follows, as his alter-ego causes havoc.
Split into simpler sentences: The music video focuses on William Beckett, beginning with a second more violent and unpleasant version of him leaving his apartment. The real William Beckett then follows, as his alter ego causes havoc.