There Will Be Blood is a 2007 American epic period drama that was produced, written, and directed by Paul Thomas Anderson. The film draws inspiration from Upton Sinclair's 1927 novel Oil! and features Daniel Day-Lewis in the lead role of Daniel Plainview, a silver miner turned oilman. The narrative follows Plainview's ruthless pursuit of wealth during California's oil boom in the late 19th and early 20th centuries. Day-Lewis stars alongside Paul Dano, Kevin J. O'Connor, Ciarán Hinds, and Dillon Freasier.