Haru, an aging scriptwriter, has isolated himself somewhere in the woods of Nagano to work on his first novel. As the last surviving member of his kin, he intends to chronicle the family he grew up in.
Facing a mid-life crisis, a woman rents an apartment next to a psychiatrist's office to write a new book, only to become drawn to the plight of a pregnant woman seeking that doctor's help.
Decades after surviving the Nostromo incident, Ellen Ripley is sent out to re-establish contact with a terraforming colony but finds herself battling the Alien Queen and her offspring.
After a space merchant vessel perceives an unknown transmission as a distress call, its landing on the source moon finds one of the crew attacked by a mysterious lifeform, and they soon realize that its life cycle has merely begun.