Private investigator Jake Gittes, who was specialized in cheating spouses' cases, was hired by Mrs. Mulwray, who suspects husband Hollis Mulwray. Mr. Mulwray is a municipal contractor and involved in building water supply system of the city, Los Angeles. He is a prominent personality, as he was responsible for provide fresh water supply to the growing community of Lops Angeles, and cater the issue of constant deficiency. During his espionage, Gittes discovered Mulwray's involvement in many of unusual business deals. These deals were related to building a dam in Los Angeles, for additional water supply, of which he ...