After finding out that Soo Yeon has only been working at the airport for 4 months while she has worked for a year, Yeo Reum becomes enraged. She goes to Team Manager Yang Seo Goon and asks her how she could appoint him as her mentor. However, Seo Goon tells her that if it hurts her pride, she should do well at work because that is the only thing that matters.

Yeo Reum finally realizes that Soo Yeon had saved her from a flying car on the day of her job interview. However, Soo Yeon tells her that he does not recognize her and that they have never met before. Despite all this, she thanks him for saving her life. Meanwhile, someone puts in a call to the airport, claiming that they have installed a bomb.

Yeo Reum and Soo Yeon get into an argument. She tells him that unlike him, many people including herself need to work their hardest in order for their superiors to recognize them. However, he tells her that she simply has a victim mentality and lacks self-awareness.

Soo Yeon tells Yeo Reum that he cannot feel pain in his right arm. After hearing this, Yeo Reum begins to become more and more curious about him and the story behind his painless arm. Meanwhile, Seo Goon’s team moves from Terminal 1 to Terminal 2.

Words spread regarding a dispute between a passenger and Yeo Reum and a Security Team employee. Because the passenger got a scratch on her face, she has declared that she will sue the airport. No matter how much Yeo Reum tells the others that it was not their fault and that the passenger had attacked them first, she has a difficult time convincing them.

Due to a horrible car accident years ago, Soo Yeon was at the brink of death and barely survived. As a result, he was given a machine-like right arm. Ever since, he refused to allow anything to move his heart. However, after meeting Yeo Reum, he decides to work at the airport for a bit longer and also becomes interested in her.

Ian Santos, a Filipino, is caught trying to enter Korea with a forged passport. He begs the Immigration Office to just allow him to be with his wife while she gives birth and promises to leave the country right after. However, he is forced to go back to the Philippines right away. While on his way to the plane, he pushes an accompanying staff worker and runs.

A plane tries to land at Incheon airport. However, as the plane descends near the airport, fire erupts from its engine, and the entire airport falls into chaos. Soo Yeon finds Yeo Reum being extremely nervous and finds out that her mother is on that plane. After thinking what he could do for her, he decides to find Yeo Reum’s mother himself.

The fire on the plane and the passengers on board are all taken care of. Yeo Reum’s mom gets injured during the process, and she hears someone claiming to be Yeo Reum’s friend help her out. After hearing this story, Yeo Reum looks around to find Soo Yeon, but he is nowhere to be found.