Follows the journey of sisters who are believed to possess the supernatural ability to connect with ghosts. They cross paths with a visionary French producer while performing in Paris.

Esteemed astrophysicist Kat, scheduled for her first trip into space but sidelined due to an accident, meets a new man at the local planetarium. Together, they must work hard to open a new exhibit by Christmas.

The film adapts and expands the Planetarian visual novel by Key. The story is set in a dystopian future where biological and nuclear warfare has left a once prosperous civilization in complete ruin. The film tells the story of an old man travelling around with a mobile planetarium projector to show people the stars.