Inciting Event: The ship receives an ostensible distress call.

First Plot Point: The alien larva latches onto Kane’s face.

First Pinch Point: The alien detaches from Kane and disappears.

Midpoint: The matured baby alien bursts out of Kane’s chest.

Second Pinch Point: Captain Dallas is killed.

Third Plot Point: Ash reveals that the mission all along was to capture the alien and that it is unkillable.

Climax: Ripley discovers the alien in her escape pod.

Climactic Moment: Ripley kills the alien.

Resolution: Ripley dictates the final entry in the ship’s log.