A Little Glass of Rum (2022)

After leaving for the night shift at a local prison, security guard Stan Ailor comes home to discover the gruesome murder of his wife Holly and son Peter in 1968. Three years later, Stan gets ready for the execution of his family's murderer while listening to Holly's music box. Arriving at the prison, Stan observes the murderer's cell and escorted by the prison warden, Dawson to the interrogation room where the convict is being held. Stan enters the room and locks eyes with Kenneth, the cold blooded killer. Dawson enters his office and watches the scene through security footage. Stan and Kenneth awkwardly speak to one another, followed by the prison chef arriving with Kenneth's last meal. The two begin to dine and talk about the murders. Tension rises and Kenneth reveals a scar on his wrist, similar to one on Stan's wrist. The two gradually strip down their egos, revealing that are brothers. Kenneth starts humming a familiar tune, Holly's music box, followed by how he murdered both Holly and Peter. Stan starts to lose control, screaming and punching his demented sibling. As Kenneth says his final smart remark, Stan finally gets the revenge that he's been longing.