"1973: a final, top-secret mission to the Moon. Three astronauts in a tiny spaceship, a quarter million miles from home. A quarter million miles from help. NASA is about to launch Apollo 18. While the mission has been billed as a scientific one, flight controller Kazimieras "Kaz" Zemeckis knows there is a darker objective. Intelligence has discovered a secret Soviet space station spying on America, and Apollo 18 may be the only chance to stop it....

A child whose grandfather was an astronaut always asks Grandpa for a bedtime story in which the two of them blast off for the moon together.

Val and her new friend Wallace get lost on the moon and must work together to return home.