A drug dealer tries to make a deal by revealing the whereabouts of a body bricked inside a wall in his basement. The stories and poems of Edgar Allen Poe figure in the solution of this 10-year-old cold case. In the meantime, Bayliss leaks the Pembleton pregnancy, and Munch betrays his latest love with her new roommate. When the cold case culprit must be released, Munch invokes "The Telltale Heart," which leads to "poetic justice."

Another sniper strikes Baltimore as soon as the first is apprehended.