Complex sentence: Gaius Baltar (James Callis) is taken to a monotheistic cult who erected a shrine to him, and one of the members, Jeanne (Keegan Connor Tracy) believes he could save her dying son.
Split into simpler sentences: Gaius Baltar (James Callis) is taken to a monotheistic cult which has erected a shrine to him. One of the members, Jeanne (Keegan Connor Tracy), believes he can save her dying son.