When Chloe, burdened by family pressure and crushing debt, reaches the end of her rope, eight-year-old Leo suddenly travels back from the future and claims to be her son. This genius child, with the mind of an adult, helps his mother escape one crisis after another, enter the corporate world, and transform her life, while secretly searching for his biological father. Through countless challenges, mother and son protect and support each other, eventually uncovering a secret buried for five years and rediscovering the family, love, and life that truly belong to them.