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Han Yeo Reum and Kang Tae Ha run into each other again many years after they broke up.

Yeo Reum wants nothing else to do with Tae Ha and doesn't want to upset her boyfriend further. Tae Ha though, he has other intentions.

With Yeo Reum's financial situation the way it is she'll have a hard time saying no to Tae Ha's job offer. Ha Jin ask Yeo Reum a big question.

Ha Jin finds out that Yeo Reum will be working with Tae Ha and he doesn't like it. Someone from Ha Jin's past can further complicate things.

Ha Jin and Tae Ha's altercation makes things more weird for Yeo Ruem as she has to keep working with Tae Ha.

Tae Ha's drunken confession might come back to haunt him. Ha Jin is walking a thin line by keep secrets from Yeo Reum.

Ha Jin claims to be doing nothing wrong but he's making it hard for Yeo Reum to trust him. Tae Ha insists on trying to get Yeo Reum back.

Another "misunderstanding" with Ah Rim results in a big fight between Ha Jin and Yeo Reum. Tae Ha can't stop his crush on Yeo Reum

Tae Ha explains to Yeo Reum how much Ha Jin loves her as she feels uncomfortable with A Rim.

Yeo Reum is Tae Ha admits that Yeo Reum was right and decides to get over her and properly say goodbye.

Tae Ha tries to get over Yeo Reum and focus on work but ends up sending a text to her when she is with Ha Jin.

Ha Jin plans to propose to Yeo Reum properly once again. A Rim finds out that Ha Jin is her brother.

A Rim decides to go abroad to study. Tae Ha and Yeo Reum have a talk and think they can become friends now.

Ha Jin finds the photos of Yeo Reum and Tae Ha and learns that they'd been together for five years.

Yeo Reum tells Ha Jin she wants to break up with him. Ha Jin finds out that A Rim knows who he is.

A year later, Yeo Reum is getting better, while Ha Jin isn't. Tae Ha thinks the two are still together.