Lost and alone in the woods, Jo desperately tries to reunite with her daughter.

Magnus worries that Alice is living in a fantasy world.

Jo races to find a way back to Earth before her life support runs out. Henry is concerned about his experiment.

A disaster on board the International Space Station becomes a fight for survival.

Jo's life back home is not how she remembers it, and growing tension with Magnus adds to her feelings of alienation.

The space agencies begin their investigation into the ISS collision. Jo struggles to reconnect with Magnus and Alice.

While on the run with Alice, Jo makes a chilling discovery. Bud threatens to exact his revenge on Henry.

Jo is taken to an astronaut rehabilitation clinic, where the truth is revealed.