*Along with being a Markiplier fanfiction, this story is a(n) novelization/expansion based off of one of the endings of One Chance* Mark Fischbach wasn't originally going to be the beloved scientist that he is today. Most people find it very shocking that he was actually going to be an Engineer. What changed the man's mind, you may be asking? Well, after losing his father to cancer, a grief-stricken Mark makes it his life goal to cure cancer so no one else has to suffer the loss of a loved one from the terrible disease. But when everything doesn't go at all like how Mark planned, it's up to him to fix the wrong he committed, and he only has one chance to do so.