Go Hae Ra worked hard as a merchandiser, but after having a child, she quit her job. For the past 7 years, she put all of her energy into raising her child. She now wants to resume her working career, but she struggles to find a job.
One day, she takes an interview for an entry level position at Market House. There, she meets Choi Ji Won, the director of the product planning team who holds the real power at Market House thanks to her charisma and leadership abilities. Go Hae Ra and Choi Ji Won once worked together at another company, so Choi Ji Won decides to hire Go Hae Ra for an intern position in the product planning team. She offers a sweet, but cruel suggestion to Go Hae Ra.
Native Title: 잔혹한 인턴
Also Known As: Cruel Mrs Ae Ran , Cruel Intern , Janhoghan Inteon , Janhoghan Aelanssi , 잔혹한 애란씨