Former tennis pro Lee Goon (Kim Jae Joong) had his career cut short by a devastating injury, plunging him into despair. Desperate for relief, he turns to a psychiatric tool called the “memory eraser,” which allows him to reset his life and regain his former confidence. However, the eraser’s use leads him to cross paths with troubled psychiatrist and brain researcher Kyung Ju Yeon (Jin Se Yeon). The tool plants false memories in Goon’s mind, making him believe Ju Yeon is his first love. Could meddling with memories lead Goon and Ju Yeon to further trouble? Or will it inadvertently lead them into a lasting romance? This 2024 South Korean drama series was directed by Yoon Ji Hoon and Kim Na Young.

Everyone has a memory of an unrequited love. Most of the time, unrequited love ends in embarrassment. However, unrequited love isn't all that bad. It can be sweet, and it can make your heart flutter. There is a man who has been in love with a woman for a very long time. They aren't lovers nor are they just friends. After giving up his dream to become a track athlete, he couldn't go to college. He spent three years doing nothing and another three studying for the civil servant exam. Now, a week before her wedding, and he's in turmoil over the prospect of losing the woman he loves. He travels back and forth in time with the help of a mysterious manhole in order to gain the heart of the one he loves. However, each time he goes back in time and returns to the present, he realizes that the small changes he made changed his life in unexpected ways. How can he get the girl of his dreams and live a life that he's not ashamed of?

Sun Woo is a son with a special emotional bond with his mother but has a secret he can't share. He was a field agent at the National Intelligence Service but is working for the intelligence analysis on North Korea after failing the operation. He tries to catch Hwang Ki Chul, who killed his partner. His mother, Hye Rim, was a spy in the past, but she currently keeps her identity hidden. She has kept it a secret from Sun Woo but when Ki Chul shows up, she becomes a spy once again to protect her son. And along the way, Sun Woo learns the identity of his mother. The mother and the son fight to protect their beloved family and Ki Chul's revenge begins.

Love is an extraordinary thing. However, love becomes sweeter when it involves two extraordinary people. An extremely odd Eun Seol who's fresh out of college struggles to get a job because of her third-rate university degree. Despite this, she lands a job at a company where she meets her extremely weird boss. Though Ji Hun's got the looks, the money, and the connections, he's got a lot to work on, in terms of his character as an heir to his father's chaebol. Through thick and thin, just to keep her job, Eun Seol does her best to protect her boss, but soon enough, she finds herself falling in love with him. Or maybe, it just so happened to be the other way around too.