It is a South Korean drama. Drama special season 9. Episode 1. Directed by Hwang Seung gi. Screenwriter Bae Soo young. Starring Jeon So-min, Park Sung hoon.
A group of Maths teachers are selected to review an exam. Do Do hye & her ex -husband are among the group of teachers. Na Pil seung is the security officer assigned to watch over the teachers to prevent them from leaking the exam material.
Do hye & Pil seung shared some embarrassing moments during their college days. She is trying her best to avoid these embarrassing memories.
Jeon So min as Do Do hye. She is an excellent actress. Earlier seen in ‘Something About 1%’, ‘My Secret Romance’, ‘The Bride of Habaek’.
Park Sung hoon as Na Pil seung. He is softer than as seen in ‘The Glory’ or ‘Queen of Tears’. Earlier in ‘Moon embracing the Sun’, ‘Big’, ‘Don’t Dare to Dream’, ‘Black Knight : The Man who Guards Me’, ‘My Only One’, ‘The Glory’, ‘Queen of Tears’.
Oh Dong Min as her ex husband. Song ji in as teacher OH, Park Sun Hee as Professor No, Seo Sang Won as Professor Bong.
After ‘Crash Course in Romance’ another story about the Maths teachers. Then there was ‘Melancholia’ with a Maths genius, Lee Do Hyun.
In life, we face ups & downs. We need to let go of any embarrassing moments. Move on. Her diary is her nemesis.