In Episode 2 of DTF St. Louis, the narrative takes us back to Floyd's cornhole party, where Clark first encountered Carol, Floyd's wife. Homer, the detective, confronts Clark about the origins of his affair with Floyd's wife. It emerges that during the cornhole party, the two bonded over their shared love for the Jamba Juice store. Clark deceived Carol by claiming that he not only read weather news at the local station but also owned a deep-sea demolition company off the coast of Canada. This revelation left Carol somewhat impressed with him.

Meanwhile, Floyd converses with Eimy about his dance classes, which were initially intended for Richard but never materialized. A few days later, Clark drops by Floyd's dance classes. Floyd then attempts to explain to him about his Peyronie's disease, but their conversation is cut short.
Later, Floyd's car fails to start, forcing him to leave it at the studio and have Carol pick him up. This marked the second time Carol and Clark saw each other, with Carol being a bit flirtatious. The next morning, Carol offers to take the bus and have Floyd take their only working car. Floyd feels guilty about the situation and keeps reassuring her that he loves her.
That morning, Carol stops by the Jamba Juice store and pretends it was a coincidence to run into Clark. The two share a laugh over picking the same juice flavor and Carol's umpire work. To help her understand baseball better, Clark offers to take her to a few games, which is easy for him since the studio gets group tickets. His wife calls, and he lies that it's one of the demolition guys calling for his expertise. One game later, they end up in bed together.
Over time, they started meeting occasionally at the Quality Garden Suites to fulfill each other's secret sexual desires. In his interrogation with Homer, Clark admits he liked having Carol sit on his face. Afterwards, Homer orders Plumb to interview Carol while he talks to Clark. She tries to get him to switch, but he refuses and insists he is the lead detective. To him, this is a clear-cut case where Clark killed Floyd out of jealousy. Plumb visits Carol's house and asks a few questions about the affair.
Carol asserts that Clark deceived her at the outset concerning the deep-sea demolition company, his intentions being to seduce her. She recounts the Jamba Juice encounter and how it led to further entanglements. The interview becomes awkward as she repeatedly urges Plumb to speak up while asking questions. When asked if she planned to leave Floyd, Carol denies it, explaining that she had ended things with Clark because she still loved her husband. Plumb shows her the warrant to take their mail and clarifies that they will be doing it for the next few weeks. Carol lashes out but quickly apologizes before showing Plumb the hutch where they keep their mail. While there, Plumb notices a box containing Floyd's belongings and asks to confiscate it.
At the station, Clark reflects on the night they attended a Todrick Hall concert where Floyd was signing. It was then that he realized Carol was still in love with Floyd. She watched him adoringly and showered him with praise. He admits that this is when he started getting closer to Floyd. Homer questions whether he was trying to gain Floyd's trust to eliminate him.
The interview is interrupted by the forensic team, who call Homer to show him what they found on Floyd's sex app. It turns out he was arranging meetings with men. Homer interviews one of the men Floyd met on the app. The police quickly discover that Floyd had met with another guy known as Tiger Tiger the night he was killed. In a surprising twist, we learn that Clark is Tiger Tiger.
Homer goes back and tries to corner Clark into admitting he created a pseudo account and went to meet with Floyd the night he died. Homer accuses Clark of killing Floyd by using his pseudo account to lure him to the pool. Clark revisits the day that he introduced Floyd to the app. He created the account as Tiger Tiger to give him a morale boost. Unfortunately for Clark, the police also discover that the drink at the murder scene was dosed with amphezyne—the same drug Clark had prescribed six days prior to the murder. All evidence points to a premeditated murder, according to Homer, which typically results in a death sentence.
Meanwhile, Plumb goes through the box she picked from Floyd's house. She realizes that the picture of the naked man at the crime scene was not porn—it was a picture of a young Floyd. She goes to the Jamba Juice store and asks about Carol. The servers insist that Carol always orders watermelon breeze, except for the one day she met with Clark.
Later, Homer tells Plumb that the case is a slam dunk and that they are already charging Clark. This is when Plumb patiently briefs him about her findings. She believes that Carol lied, and she is the one who seduced Clark from the beginning; she was targeting him.
In the meantime, Eimy learns about her husband's affair from the news and ignores his call from remand. On his voicemail, Clark claims his innocence and apologizes for the affair.
The episode ends with Carol returning to the juice store to order her usual drink as the staff stare awkwardly at her.