Warning: MAJOR SPOILERS ahead for the Black Doves season 1 finale!Black Doves creator Joe Barton discusses season 1 ending with a major character death while explaining Sam’s ultimate decision in the final episode. Black Doves season 1 ended by revealing Jason (Andrew Koji) was killed by the son of London crime lord Alex Clark (Tracy Ullman), Trent (Angus Cooper), who was trying to take away any connection to his accidental murder of Ambassador Chen (Andy Cheung). Although Helen (Keira Knightley) is the one out for revenge for her lover’s death, it’s Sam (Ben Whishaw) who winds up killing the culprit instead, something the Clarks won’t take lightly.
https://screenrant.com/black-doves-season-1-ending-sam-decisions-joe-barton-explained/