Complex sentence: Wilfred, who is attached to the land, can't stand to let be used in such a way and manipulates his reluctant fourteen-year-old son, Henry, into helping him murder Arlette, his own mother.
Split into simpler sentences: Wilfred, who is attached to the land, can't stand to let be used in such a way. He manipulates his reluctant fourteen-year-old son, Henry, into helping him murder Arlette, his own mother.