Breaking News: Alien Invasion inevitable in less than 1 year! Alien fighter training camps now recruiting!
Oh my! Will humankind survive this attack? Let's hope that we have a hero!
I want to help, but I don't want to risk my healthy life and die early! I don't think I can do this... but I'll try anyways.
Part 1: Bob is having a normal life up to this point. He is a responsible and normal citizen in the year 2345. Right now, he is relaxed and watching the news in his regular world.
Part 2: Bob hears that aliens will invade earth in less than 1 year. The newsman says that military training camps are open to whoever wants to fight the aliens, and they are recruiting people who are dedicated to help.
Part 3: Bob originally refuses to go and disregards the news report because of his concerns for his health and his life, but he really wants to defend his home planet, so he eventually gets the courage to do this heroic task.