Complex sentence: That night, Jesse gets a call from one of the friends who smoked Walt's meth, who says that he knows a lot of upper-class people looking to score drugs and are willing to pay top dollar for the high quality meth he cooked.
Split into simpler sentences: That night, Jesse gets a call from one of the friends who smoked Walter's meth. He says that he knows a lot of upper-class people looking to score drugs and are willing to pay top dollar for the high quality meth he cooked.