Life is impermanent, Zhang Jie, a cook in a secret experimental base in the northwest, was murdered by his brothers, and the base then exploded, Zhang Jie's soul wore everything in the living area of the base to the sixties, the family was surrounded by four walls, and there was a four-year-old sister at home. "What? I'm actually back in the sixties? "The warehouses in the base are also coming?" "I'll have a cup of coffee first to suppress the shock" "Sister, come, eat a piece of chocolate"