Serenity

Serenity is a 2019 American fantasy mystery thriller film written, produced and directed by Steven Knight. The film stars Matthew McConaughey, Anne Hathaway, Diane Lane, Jason Clarke, Djimon Hounsou, and Jeremy Strong, and follows a fishing boat captain who is approached by his ex-wife to murder her abusive new husband. First announced in January 2017, principal photography on the film began on Mauritius that July.

source: wiki