
15 plot points

The Nostromo spaceship drifts in deep space. Quiet, ominous atmosphere. Isolation established.
Crew discussions reveal theme: survival, fear, and human vulnerability in space.
Crew awakened by ship AI. Receive distress signal from unknown planet. Characters introduced, routine established.
Crew lands on planet and discovers alien eggs. Kane is attacked, facehugger attaches. Stakes escalate.
Crew debates what to do with Kane. Risk vs. protocol conflict. Fear and tension build.
Kane brought aboard. Alien hatches, begins lethal attacks. Crew fully immersed in danger.
Ripley emerges as central figure. Tension and leadership challenges deepen emotional stakes.
Alien hunts crew. Suspense, cat-and-mouse sequences. Horror and fear dominate.
Alien fully grown and deadly. First crew members killed. Stakes peak, suspense maximized.
Crew members hunted, killed one by one. Isolation and helplessness intensify.
Almost entire crew dead. Ripley faces alien alone. Despair and fear dominate.
Ripley reflects on survival, prepares final confrontation. Emotional and psychological tension high.
Ripley formulates plan to defeat alien and escape Nostromo. Heroic action initiated.
Ripley confronts and ejects alien into space. Climactic tension resolved.
Ripley drifts alone in escape shuttle, alive but traumatized. Survival and isolation emphasized.