When theoretical physicist Neona Smith develops an entangled laser that can send information forward and backward in time, her only ambition is to win the respect of her peers. On a whim, she points her laser toward the Gemini constellation and gets what she least expects: a response.
As Neona learns to communicate with interstellar civilizations so far in the past and future that they don't presently exist, she believes she is making friends among the stars.