Grady Lee Jr. is a solitary farmer who discovers his father’s hidden diary with a secret about a unique electromagnetic car inspired by Nikola Tesla’s research. Grady is convinced that this machine is capable of changing the world, that it can increase productivity by drastically decreasing the time a plant grows. This could be the answer he needs to save his farm. Unfortunately, her sister, Mary Ann, dies. His six-year-old granddaughter remains in his care. Kai is a clever and curious little girl. Grady is determined to become for Kai the father she never had.