Ko Yeong Rye hustles through her hectic days as a bus conductor. At work, she crosses paths with the sharp-tongued Seo Jong Hui, forming an unlikely bond.

Determined to change her life, Ko Yeong Rye searches tirelessly for the mysterious Giant, only to end up in trouble at a nightclub.

Ko Yeong Rye and Seo Jong Hui go on a group date, where Yeong Rye unexpectedly meets Han Jae Pil. The group heads to a roller-skating rink, and Sang Cheol invites Yeong Rye and Jong Hui to watch a boxing match.

After her mother's sudden surgery, Yeong Rye takes a few days off work with the help of her coworkers. Yeong Bae and Yeong Mi visit Sae Ri's house.

Jae Pil and Sang Cheol discover that Yeong Rye and Jong Hui are not university students, but bus conductors who attend Hwarang Night School. Feeling ashamed after being found out, Jong Hui begins to distance herself from Jae Pil.

When Cheong A Bus refuses to compensate for a serious accident that leaves a conductor severely injured, the conductors organise a strike. Yeong Rye seeks advice from Hyeon and Yeong Sik about the strike.

Yeong Rye and Jae Pil's feelings for each other continue to deepen, but they both try to stay within the boundaries of friendship.

Jong Hee & Yeong Rye unexpectedly reunite at Juri Beauty Salon.Jong Hee tells her story of how she was adopted by a chairwoman, and with this encounter,she finally catches up with everyone she used to know back when she was a bus conductor

Jong Hee gets hospitalized, and she meets Jae Pil as her doctor.They talk about their time together back in the day, and Jong Hee's heart starts to grow again. Mi Suk doesn't want Jong Hee to get along with her friends from the past.

Yeong Rye gets a new job at a different beauty salon. She attends the beauty seminar on her first day, and something she'd never expected happens. Jong Hee finds out that Mi Suk made Yeong Rye lose her job.

Director Michelle suggests that Yeong Rye enter the Miss Korea pageant. Yeong Rye has a lot of concerns, but thanks to her family and friends' support, she decides to join the pageant.

Jong is worried after seeing Sang Sik at the pageant. After hearing about this, Mi Suk decides to take care of Sang Sik in her own way. Finally, it's the final day of the Miss Korea pageant, and everyone is gathered at the cultural center.