The plane can't land. It can't turn back. And the fuel's running out. Reaching the end of a four hour flight, the crew of Phoenix Flight 375 find themselves facing an impossible dilemma: terrible weather, a natural disaster and a silent killer force them to decide not how to live, but how they might have to die. Half of the passengers want to survive. The others want a quick and painless end. They have one hour of fuel remaining, and then their choices...