Stream Chinatown Online Free – Watch Full Movie from Home at 123Movies. . Private eye Jake Gittes lives off of the murky moral climate of sunbaked, pre-World War II Southern California. Hired by a beautiful socialite to investigate her husband's extra-marital affair, Gittes is swept into a maelstrom of double dealings and deadly deceits, uncovering a web of personal and political scandals that come crashing together.