Andrew Yancy has been bounced from the Miami Police Department and is now a health inspector in the Keys. After stumbling upon a case that begins with a human arm fished up by tourists, he realizes that if he can prove murder, he'll be back in. He just needs to get past a trove of Floridian oddballs and one bad monkey.

In 1971, four women defy ultraconservative norms and join Mexico's first female police force—only to discover that it's a publicity stunt to distract the media from a serial killer. As the body count grows, they make a pact to bring the killer to justice.

In season 4, a bombing detonates personal secrets, rocking Slough House's already unstable foundations.

In season two, parallel stories pick up in Osaka in 1945, where Sunja is forced to make dangerous decisions for her family’s survival during World War II, and in Tokyo in 1989, where Solomon explores new, humble beginnings.