Wszystkie odcinki

Lee Min-seok receives a call from his older brother, Lee Hyung-seok, asking him to take his place at his new job.

Lee Min-seok starts pretending to be his older brother and goes to work at Comfo.

Because of Lee Min-seok's suspicious behavior, his two best friends follow him one day.

A confidential project is leaked, and soon rumors of Lee Hyung-seok being a spy start to surface.

Soo-young learns that her contract at Comfo has not been renewed, which puts Min-seok and Jin-woo at odds.

Soo-young starts working as Lee Hyung-seok's secretary. Jin-woo acts like he's interested in her, and this makes Min-seok jealous.

Soo-young finally finds out who fired her.

Min-seok finally confesses his love to Soo-young, but he is dumped by her. He is heartbroken and tries to find a way to overcome his sadness. Meanwhile, she feels confused about the whole situation.

Min-seok and Soo-young start dating. Meanwhile, Jin-woo is still suspicious of Hyung-seok and keeps trying to dig up his secrets.

Soo-young finds out Min-seok's secret.

When Soo-young discovers Min-seok's real age and identity, her relationship with him, as well as with Yoo-ah, begins to crumble.

Min-seok gets hurt while playing hockey. Meanwhile, Soo-young decides to move to a new neighborhood.

After getting back together, Soo-young helps Min-seok manage his hectic double life. Jin-woo learns about the secret past between his father and Min-seok.

Jin-woo toys with Min-seok, threatening to reveal his identity to the entire company, but Jin-woo's own secrets begin to take a toll on him.

Hyung-seok returns, but Min-seok's excitement dwindles quickly when he finds out what his brother has really been up to.

After his grandfather's untimely death, Hyung-seok must decide whether or not to follow through with his revenge.

Min-seok and Soo-young decide the only way to stay together is to get married, but first, they must convince their family and friends.