Jiang Wanning, a workplace woman of the 21st century, accidentally travels to the 1980s. The original owner fainted from shame and anger after peeking at the cold-faced King of Hell Lu Zhounian bathing. After taking over this life, Jiang Wanning decides to boldly pursue love. She stumbles upon rare Termitomyces mushrooms and gets the idea to go into business; Lu Zhounian appears cold yet repeatedly makes exceptions to stand up for her, his attitude a mystery. On her journey of raising a child, bickering, starting a business, and chasing the King of Hell, Jiang Wanning slowly breaks through his defenses, writing a love story full of laughter, tears, and passion within the military compound.