When does Get Millie Black return?

Get Millie Black is a British television series. It was created by writer Marlon James. It is his first. It appears on Channel 4 in the UK and HBO in the U.S.
Jamaican-born detective Millie-Jean Black is forced out of Scotland Yard. She returns home to join the Jamaican Police Force. Their lives are up-ended when one of their investigations crosses paths with another.