The true story of the near-disastrous Apollo 13 mission. On April 11, 1970, gung-ho astronauts Jim Lovell, Fred Haise and last-minute, less experienced replacement Jack Swigert blast-off towards the moon. But while in space, an oxygen tank explodes, putting the trio in peril: they quickly lose oxygen, run out of power, and get exposed to dangerously high amounts of carbon dioxide. Unbeknownst to them, there are more problems to come, including emotional friction when Jack is (wrongly) blamed for the explosion. Intensifying the situation is the fact that these mishaps catch the scientists and technicians at Mission Control by surprise, and they're not sure how to remedy the situation. Everyone must work together to come up with the right answer -- if the astronauts are to survive...