Last Woman on Earth (1960) Plot Summary Explained

The atmospheric composition has changed dramatically. When they surface, they discover the air has become unbreathable, which is why the boat's crewman Manuel died from asphyxiation. This unexplained change appears to have affected the entire world, killing most of humanity while leaving some marine life and insects alive.

• atmospheric change
• asphyxiation
• scuba tanks
• air
• death

The exact cause is never explained in the film. When they return to shore, they find the town deserted with no survivors and no possibility of radio contact. The implication is that some catastrophic atmospheric event occurred while they were diving, killing nearly everyone on Earth in a very short time.

• apocalypse
• death
• extinction
• survivors
• town

Harold's domineering personality intensifies after the collapse of civilization. He treats Evelyn as his property, stating that marriage and ownership rules still apply because he is her husband. This reflects his attempt to establish control and patriarchal order in a world without laws or social structure.

Foreshadowing: Early in the film, Harold is described as a "dubious" businessman constantly in legal trouble, establishing his controlling nature.

• Harold
• Evelyn
• ownership
• marriage
• control
• power

The jungle vegetation emits oxygen that allows them to breathe without their tanks. This mysterious phenomenon is never scientifically explained but becomes their lifeline. The oxygen-rich foliage allows them to survive in the jungle when they cannot survive anywhere else.

• oxygen
• foliage
• jungle
• survival
• breathing
• nature

Martin and Evelyn become intimate, and Eve tells Harold she was not raped, indicating consensual involvement. When Harold orders Martin to leave, Eve chooses to go with Martin instead of staying with her husband. This betrayal triggers Harold's pursuit and subsequent murder of Martin, as he cannot accept losing control over his wife.

Foreshadowing: Evelyn mentions she has never felt genuine love from Harold, foreshadowing her eventual choice to leave him.

• Martin
• Evelyn
• affair
• betrayal
• murder
• chase

Evelyn reveals she has stayed with Harold for practical reasons rather than love, describing herself as being "between trials" - a reference to his legal troubles but also to her own lack of emotional investment in the marriage. In the new world, she sees an opportunity for freedom and authentic connection with Martin.

• Evelyn
• Harold
• love
• marriage
• freedom
• independence

After Martin's death, Evelyn remains with Harold despite having chosen Martin moments earlier. The film implies this is not a choice but a necessity - with Martin dead and no other survivors visible, she has no alternative but to stay with the only other person alive. The ending suggests a grim, possessive partnership rather than genuine reconciliation.

• Evelyn
• Harold
• survival
• partnership
• possession
• ending

They discover several sources of sustenance: fish and marine life have survived the atmospheric change, providing food. They also find insects and newly hatched chicks in the jungle, offering additional food sources. The oxygen-producing foliage becomes their primary means of breathing outside the jungle.

• food
• fish
• insects
• chicks
• survival
• hunting

Harold proposes traveling north to escape the insect population, which he sees as a threat. He believes a colder climate would preserve food longer, reduce pest problems, and potentially increase their chances of finding other survivors. This plan also reflects his desire to maintain control over Evelyn's fate.

• north
• climate
• insects
• migration
• survival
• plan

The film offers no definitive answer. The trio's attempts at radio contact fail, and they find no one alive in the town. Harold's plan to move north is partly motivated by the hope of encountering other survivors, but this remains speculative. The ending provides no resolution to this question, leaving their fate uncertain.

• survivors
• hope
• rescue
• radio
• humanity
• ending

Manuel dies of asphyxiation while the trio is underwater. When they surface and return to the boat, they find him dead, apparently having been unable to breathe the changed atmosphere. His death confirms the danger of the new world and demonstrates that the atmospheric catastrophe happened quickly and lethally.

• Manuel
• death
• asphyxiation
• crewman
• boat