This drama is adapted from the real life of the internet celebrity "宅女小红". A woman who lives in misery and lives a carefree life, is nearly 30 years old. She is an OL (office lady) who is hidden in the company. She specializes in clocking in, talking trash and using Excel. Apart from eating spicy food, she has no other insistence in life except ordering very spicy food. She just made up her mind to buy a house, but her boyfriend cheated on her on her birthday that year. After that, she began to attack the Internet with hilarious attacks without any limit, turning into an ex-girlfriend from hell.