pStillwater follows Bill, an American oil-rig roughneck from Oklahoma (Damon), who travels to Marseille to visit his estranged daughter (Breslin), in prison for a murder she claims she did not commit. Confronted with language barriers, cultural differences and a complicated legal system, Bill builds a new life for himself in France as he makes it his personal mission to exonerate his daughter.ppStillwater will open only in UK cinemas 6 August, 2021.