Ten years ago, Kyung Woo Yeon was as innocent and carefree as any eighteen year old might be. With dreams and ambitions and a heart ready to love, it was only a matter of time before she fell for someone. And fall she did; for her friend, Lee Soo. Unable to hold her feelings in her heart, she confesses to him before he leaves and gets friend-zoned. Seven years later, she tries her luck again only to be rejected again. One lonely day in Jeju, she declares confidently that she no longer likes him and decided to leave him. He too leaves Korea having a heavy pang in his heart. She had tried every trick to get over this curse that she had, having almost 12 ex-boyfriends. Till one day, when she finds a guy, Joon Soo who offers to be her test man and help her determine whether the fault lies in her or the men she has dated. 3 years later, he comes back to find her with another man, and this time he hopes to face his feelings and not let his past overshadow him.
Years after getting rejected by Soo, Woo Yeon runs into Soo. Just like that, three years fly by after getting rejected for the second time. While taking a break from the world, Woo Yeon runs into Soo again, and this time she runs away. Despaired by the same old Soo, she realizes that she should now let go of her feelings for Soo by lifting the curse.Watch Now:Amazon
Woo Yeon thinks that she’s done with Soo, but she keeps running into him. Joon Soo gives Woo Yeon a chance to work as a calligraphist at a book signing event, and they have a good time at the after party. Meanwhile, Soo comes back to Seoul and decides to accept Joon Soo’s offer.
Woo Yeon and Soo get to work together on a photo book with calligraphy project with Eunyoo Publication. Soo suggests that he and Woo Yeon should travel together to create a photo book of good quality. Meanwhile, Joon Soo asks Woo Yeon for a date. He starts to tell her about how he changed his number in the past and got a call.
Gyeong Woo Yeon met her first love, Lee Soo, in high school. Soo always helped Woo Yeon whenever she was in trouble and was sweet to her. One day, before Woo Yeon had a chance to ask him out, he told her that he’s leaving to study in the US. Ten years later, Soo returns to Korea and meets Woo Yeon.
Soo tells Woo Yeon that he’s sorry for hurting her feelings. Joon Soo warns Soo to stay as Woo Yeon’s friend. But later, Woo Yeon finds out that Soo got into an accident on his way to meet her on her birthday. Meanwhile, Jin Joo gets exhilarated after a young, clever, and intelligent guy asks Jin Joo for a date.
Woo Yeon feels slightly bothered by Soo’s friend Yu Ra but tries to act cool about it in front of Soo. Soo gets a job offer from an airline, but he turns it down to stay close to Woo Yeon. However, he still wants to go. Meanwhile, Yu Ra asks Woo Yeon to hang out with her.
Even though Woo Yeon refuses to hear him out, Soo doesn’t stop. He keeps showing up to apologize. When Soo goes to the bubble tea cafe to apologize again, he gets hurt in Woo Yeon’s place. Using that as an excuse, Soo takes Woo Yeon on a trip to Jumunjin.Watch Now:Amazon
Joon Soo confesses his feeling to Woo Yeon once again but gives her time to think about it. However, she does agree to watch a musical with him on her birthday. Meanwhile, Soo realizes his feeling for Woo Yeon. He tells her he'll be waiting for her at Namsan Tower on her birthday, leaving Woo Yeon to choose between him and Joon Soo.
Woo Yeon and Soo introduce their calligraphy photo collection in the exhibition. After the exhibition, Soo and Joon Soo drink together and end up going to Woo Yeon’s house being drunk. Meanwhile, Young Hee finds out that her mom has cancer and gets frustrated.
Woo Yeon and Soo are excited about going on a long trip together, and planning the trip makes them happy. Soo suggests that he’d introduce himself formally to Woo Yeon’s parents. However, Woo Yeon receives an offer that will take her a step forward in her career.
Joon Soo repeatedly expresses his feelings for Woo Yeon. When she rejects him, telling him that she doesn't want to be in any bad relationship, he suggests using him as a test subject to see if that would be the case. Meanwhile, Young Hee's brother gets in trouble, costing her 5,000 dollars.
Woo Yeon decides to give up on Soo altogether and starts dating Joon Soo. Meanwhile, Soo feels devastated to watch Woo Yeon date Joon Soo, but all he can do is regret how he had treated Woo Yeon all those years. When Joon Soo finds out that Soo got injured on his way to meet Woo Yeon, he starts feeling anxious that Woo Yeon might go back to him.
Woo Yeon tells Soo that she wants to stay as friends and that it’s already too late. Soo doesn’t give up and tries to express his feelings every chance he gets. Meanwhile, Joon Soo runs into Soo who provokes him, and they end up fighting on the street.
Woo Yeon and Soo go on their first date, and they can’t keep away from each other. As if they’re trying to make up for the times they missed, they try all sorts of dates. Meanwhile, Hyun Jae’s mom asks Young Hee to stop seeing him.