In the sixth episode of "Memory of a Killer," we find Angelo in a confessional, where he executes his next target, a priest. We then follow Angelo to his apartment, where he is grappling with the memory issues that plagued him at the end of the previous episode. His mind races as he books a doctor's appointment, fearful of what the future may hold.

Meanwhile, Dave is hot on the trail of Henry Bloch's killer. He learns that the fabric fibers and phone found on the bridge are from an expensive Italian designer fabric. As he delves into Henry's highly encrypted phone data, Dave enlists the help of a forensic expert to analyze the fibers in hopes of uncovering the killer's identity.
At the hospital, Angelo receives devastating news: his memory issues are linked to his family's history of Alzheimer's. The doctor prescribes medication and warns Angelo that there is currently no cure for the condition. He urges Angelo to speak with his family, as they will be essential in supporting him as his condition progresses.
Elsewhere, Maria is at target practice, where she confides in a friend about her desire to procure a gun before obtaining her official permit. The man advises Maria of the potential consequences of using a weapon to end someone's life.
Angelo invites Nicky out for lunch and she brings up the fact that he lied to her about her gun. Nicky hints that Angelo may be suffering from memory issues similar to her mother's. Angelo denies it and asks Nicky to stop worrying about him.
This episode of "Memory of a Killer" is full of tension and drama as each character grapples with their own personal struggles and the mystery of Henry Bloch's death continues to unfold.
At the restaurant, Eddy informs Joe that Dutch has tasked him with bribing a few cops to ensure their cooperation. Just then, Angelo arrives and reveals their next assignment to Joe. When Joe attempts to discuss the previous mission with Angelo, the latter is tight-lipped and refuses to elaborate.
Angelo shares the details of their next assignment: they must eliminate Shane Hanson, a man who has betrayed the Russian mob. The District Attorney is shielding Hanson, and they will have to carry out the hit on live television during his upcoming public interview.
Jeff pays a visit to Dave at the police station to discuss Maria's case. He wonders if hiring a private investigator to protect her is the right move, but Dave believes it could compromise the case and put her in even more danger.
When Joe brings up the favors he has done for Angelo in the past during their discussion about the strategy to kill Hanson, Angelo becomes upset and asks him to focus on the task at hand.
Dave speaks with Linda about her involvement in Maria's case. She reveals that the FBI has been investigating Henry Bloch, who was involved in the murder of Maria's mother. Although Angelo and Jeff had a motive to kill Henry, Jeff refuses to accept this theory. Linda tells Dave that she will share all the evidence she has collected so far and asks him to keep an open mind about Angelo.
In conclusion, the group faces a new challenge as they plan to eliminate a target under the watchful eye of the public. The complexities of their previous dealings and the involvement of powerful forces make this mission all the more treacherous. As they strategize and execute their plan, they must remain vigilant and focused on their ultimate goal.
That evening, as Angelo and Nicky were in his apartment, he got up to take a work call. Angelo feigned a conversation about a printer delivery to mislead Nicky, who overheard his conversation. The next day, Joe informed Angelo that Shane Hanson had an Implantable Cardioverter-Defibrillator (ICD) in his chest to regulate his cardiac rhythms. He claimed that they could use a transmitter to interfere with the ICD.
Later, Angelo and Joe went to the filming set to plant the transmitter on Hanson's body before the live stream began. While Angelo posed as part of the security to distract Hanson's bodyguard, Joe pretended to be an employee who would place a microphone on Hanson. As soon as the livestream started, Angelo and Joe activated the transmitter, killing Hanson on live television.
Meanwhile, Maria purchased the illegal weapon from her friend. She contemplated lying to Dave, who had been helping her with shooting practice so far. That night, Angelo and Joe discussed how things had gone awry during their job. Angelo gave Joe advice on how to seize opportunities and praised him for thinking on his feet at the filming studio earlier that day.
Later, Angelo followed Nicky, attempting to get a clue about what she was up to. Instead of Nicky, he ended up following someone else and was confused. Meanwhile, Nicky showed up at the doctor's clinic that Angelo had visited and asked the doctor to continue providing her with the information she needed.
The episode concluded with Jeff speaking to a private investigator who gave him fibers similar to those found by the forensic expert.