Ruthless silver miner, turned oil prospector, Daniel Plainview moves to oil-rich California. Using his adopted son HW to project a trustworthy, family-man image, Plainview cons local landowners into selling him their valuable properties for a pittance. However, local preacher Eli Sunday suspects Plainviews motives and intentions, starting a slow-burning feud that threatens both their lives.
 

Private detective Philip Marlowe (Elliott Gould) is asked by his old buddy Terry Lennox (Jim Bouton) for a ride to Mexico. He obliges, and when he gets back to Los Angeles is questioned by police about the death of Terry's wife. Marlowe remains a suspect until it's reported that Terry has committed suicide in Mexico. Marlowe doesn't buy it but takes a new case from a beautiful blond, Eileen Wade (Nina van Pallandt), who coincidentally has a past with Terry.