Father forgets many things as he puts his children to bed one night. Papá se olvida de todo a la hora de acostar a los niños.

After her abuelo's funeral, Sarah wakes her father in the middle of the night so they can go to the lighthouse her abuelo loved and remember other night-time visits there.

When Hope learns that, while her memory account is seriously low, she is a champion dreamer, she stays at the World Wide Memory Bank trying to locate her sister Honey, whom their parents abandoned and told Hope to forget.

"A girl named Petra Peña, who wanted nothing more than to be a storyteller, like her abuelita. But Petra's world is ending. Earth has been destroyed by a comet, and only a few hundred scientists and their children - among them Petra and her family - have been chosen to journey to a new planet. They are the ones who must carry on the human race. Hundreds of years later, Petra wakes to this new planet - and the discovery that she is the only person...