Summary of Dark Matter

Dark Matter by Blake Crouch is a science fiction thriller about a physics professor, Jason Dessen, who is kidnapped and wakes up in a parallel universe. In this new world, he is no longer married to his wife, is the successful CEO of a tech company, and is living a life he never chose. As he attempts to make sense of his situation and find his way back to his original life, he discovers a sinister experiment and the dark matter that binds the universe together. Along the way, he must confront his past and the choices that led him to his current reality.