As our life on earth ends, a group of researchers take on the most important task in human history. By traveling beyond the galaxy we are living in, they explore whether it is possible for humanity to survive beyond the stars. Cooper, who is sciential and capable, makes a living by farming in corn fields. His only purpose in life is to offer a safe life to his two children. Donald, who lives with them, takes care of the children, yet his 10-year-old daughter Murph has a surprising intelligence. Missing the scientist career he left in the past, Cooper comes up with an unexpected offer one day. He and his family, will have to make a tough decision for the safety of humanity.