Back in Jamaica after decades in the U.K., detective Millie Black is assigned a case that points to a prominent Kingston family.
After reluctantly agreeing to work together, Millie and Holborn make a breakthrough in the case.
Not knowing whom to trust, Millie goes rogue to get to the bottom of the Somervilles' criminal enterprise before Holborn can interfere; when Janet makes an unexpected decision, Millie must take extreme measures to protect the ones she loves.