what is the burial movie based on

The movie "The Burial" is based on the true story of a lawsuit between lawyer Willie E. Gary and his client Jeremiah Joseph O'Keefe against the Loewen funeral company. The film is a courtroom drama that tells the David and Goliath story of O'Keefe, an independent funeral home owner, who takes on a massive corporate competitor that aims to put him out of business. The story is based on a real 1990s court case, as documented in a 1999 New Yorker article by Jonathan Harr