Complex sentence: Chuck, Sarah, and John Casey (Adam Baldwin) travel to Winterbottom's home in Somerset, UK, and confront Winterbottom's mother (Millicent Martin), who blames the CIA for corrupting her son.
Split into simpler sentences: Chuck, Sarah, and John Casey (Adam Baldwin) travel to Winterbottom's home in Somerset, UK. The current resident (Millicent Martin) is revealed to be Winterbottom's mother, who blames the CIA for corrupting her son.