After she unsuccessfully ambushes him, he explains that he saved her life by finding her wreck and bringing her here, because there has been a massive attack-possibly by Russians or Martians-and everyone else is dead.
He saved her life by. This is what he explains. He was finding her wreck. This is what he explains. He was bringing her here. This is what he explains. There has been a massive attack-possibly by Russians or Martians. She unsuccessfully ambushes him. Everyone else is dead.