Magnitude

Dr. Rick Welles, his wife Karen, and his best friend Dr. Keith Moore were all stationed on the Magnitude, in orbit around Mars. They were studying whether or not life had ever existed on the red planet.

Dr. Welles began to suspect that his wife and his best friend were having an affair. Over the next few months, he plotted a way to kill them and make it look like they died accidentally.

He was standing over their mutilated bodies wondering how they were savaged so badly when he turned around and realized that there was still life on Mars...