Before I Hang (1940) Timeline Explained – Every Event in Order

The serum is derived from the blood of a recently executed prisoner, and it appears to carry the donor's violent impulses. When Garth administers the serum, he experiences uncontrollable rage that manifests as murderous behavior. This 'blood memory' effect emerges each time he attempts to test the serum, causing him to strangle Dr. Howard and later his own friends.

Foreshadowing: The early scenes establish that Garth used blood from an executed murderer, foreshadowing the violent impulses that later emerge.

• dr garth
• serum
• blood memory
• violence
• anti-aging

As Garth prepares to inject Dr. Howard with the serum, the blood-memory of the executed prisoner floods his consciousness, overwhelming his self-control. He strangles Howard with his bare hands, then kills a wandering prisoner who witnesses the attack. Garth has no memory of committing these murders, which allows authorities to misinterpret the scene.

• dr howard
• murder
• strangulation
• prison
• serum test

Garth returns to the prison because he recognizes that his blood-driven murderous impulses cannot be controlled. Rather than risk killing more innocent people, he purposely provokes the armed guard into shooting him. His final confession reveals he chose death as the only way to stop himself from harming anyone else.

Foreshadowing: Earlier scenes show Garth's growing horror at his own actions and his plea to Martha to leave for her safety.

• prison
• guard
• shooting
• suicide
• death

Just as Garth is about to be hanged, his sentence is commuted to life imprisonment. At that exact moment, the serum's effects cause him to collapse, suggesting the physiological shock of the dual events. This twist allows Garth to survive and continue his research, but it also sets the stage for the murders that follow.

• commutation
• hanging
• sentence
• life imprisonment
• execution

Authorities find the bodies of Dr. Howard and the wandering prisoner with no memory of the event from Garth. They interpret the scene as Howard being murdered by the wandering inmate, who then attacked Garth. Believing Garth survived an assault, they pardon him as a hero, allowing him to return home and continue his dangerous work.

• authorities
• misinterpretation
• pardon
• hero
• prison investigation

Victor Sondini initially refuses Garth's request to test the serum, but after a personal visit from Garth, he changes his mind. The exact nature of their conversation is not detailed in the summary, but Garth's persuasion convinces Sondini to trust him despite the obvious risks. This decision proves fatal when Garth kills him during the administration of the serum.

• victor sondini
• test subject
• consent
• persuasion

The serum is administered to Garth immediately before his scheduled hanging. The injection triggers visible physical changes, his gray hair darkens, facial lines smooth away, and his body regains youthful vigor. Before the execution can proceed, he collapses from the physiological shock of both the serum and his sentence being commuted to life imprisonment.

• serum test
• reversal
• aging
• youth
• physical transformation

Martha grows suspicious of her father's increasingly erratic behavior and the deaths surrounding his experiments. She confronts him directly, demanding answers about what is happening. When Garth pleads with her to leave for her safety, she refuses, leading to a tense confrontation that ends with her fainting as Garth loses control and escapes.

• martha
• daughter
• confrontation
• suspicion
• escape

Garth visits Wharton specifically to confess his previous murders and secure consent for one final test, hoping to prove the serum works despite his violent episodes. However, when Wharton tries to call for help, the blood-memory triggers again and Garth kills him before anyone can intervene. This marks the third victim in his growing body count.

• george wharton
• confession
• murder
• final test
• victim

The serum uses blood from an executed prisoner, which appears to carry the donor's violent nature. While it successfully reverses aging, giving Garth dark hair and renewed vitality, it also transfers murderous impulses that Garth cannot control. Each time he attempts to use the serum, these blood-driven urges surface, transforming the cure into a deadly weapon.

• anti-aging
• serum
• dangerous
• blood donor
• side effects