Complex sentence: The show takes place in Los Angeles, California and in which Ray Donovan (Liev Schreiber) is a "fixer" for the rich and famous, but experiences his own personal problems when his Mickey Donovan (Jon Voight), is unexpectedly released from prison.
Split into simpler sentences: The show takes place in Los Angeles, California and in which Ray Donovan (Liev Schreiber) is a "fixer" for the rich and famous. However, experiences his own personal problems when his Mickey Donovan (Jon Voight), is unexpectedly released from prison.