This post contains spoilers from Long Bright River episode 8 from this point forward.

Still reeling from the news that Truman could be the killer, the Long Bright River finale opens with Mickey in disbelief. He's the one cop she hadn't considered and the one cop she doesn't believe would do this. She adamant that Truman isn't the killer. Mickey buys suboxone, which Kacey uses to stay clean, from a drug dealer and asks him about a new product Dock has been pushing. The dealer doesn't know who's behind the drug. She only learns that it's blue.

Mickey brings Kacey to her place while Thomas is with Mrs. Mahon, who agrees not to allow Thomas to come home. While getting ready for bed, Thomas hears coughing coming from his house. He's somehow ended up home and wakes Kacey up from a bad dream. He's surprised that she knows him, but she's surprised that he knows her,...