The second day , Ana is just leaving for the office when she meets Ye-Joon while waiting for the lift. Ye-Joon tells her that he will drop her off in his car at the office , but Ana refuses and leaves by taxi . When Ana arrives at the company she meet Do-yun at the entrance and he says "Good morning" to her . Ye-joon also reaches the office and sees Ana and Do-Yun talking . Do-Yun makes Ana laugh at something , then Ye-joon doesn't like it and feels jealous. Ye-Joon goes inside the company and seeing him , both of them also go inside the company. Ana works diligently and does whatever work Cho-Hee gives her immediately , seeing her hardship in the office, everyone started praising her .
she reaches out to Cho-Hee to show some documents but she is nowhere to be found. In the office, she asks some colleagues , then she finds out that Cho-Hee is in the studio. she goes to the studio and accidentally collides with someone in the studio so she has more baggage with whom she collides. Ana says "sorry" to him and starts helping him. Then she puts her files in one place on the table . After helping Cho-Hee calls her. Ana picks up her documents and goes to Cho-Hee but in a hurry , she picks up only one file and walks away and forgets the rest of the files. Cho-Hee tells her some mistakes in the files and asks her to correct them. She fixes the mistakes and gets on the rest. she finishes all her work. A very important documentary arrives on which Cho-Hee asks Ana to make presentation and for the presentation Do-Yun becomes her partner. Both of them are engaged in work presentation. Everyone starts leaving the office and Do-Yun asks Ana to drop her home but Ana refuses him and talks about going home herself. she asks Do-Yun to collect some information on the documentary. Do-Yun says "By" to her and leaves.
Ana collects all her files only then she finds some files less , she looks around on the desk and then she remembers that he had kept the files on the studio desk. The whole office becomes empty. Ye-Joon starts leaving and he sees Ana. He asks Ana why she hasn't gone home yet she tells him "I have to collect some files from studio and then I'll leave the office" . He tells her " I'll drop you home as we live in the same building". Ana refuses him and tells him to go home. Ye-Joon comes closer to her and says "Bye" to her ear . Ana walksoff the side and says "Bye" in response. Ye-Joon leaves and Ana heads to the studio. she goes to the studio and sees that the lock of the studio is open , she searches for her files. That's when she realizes that someone else is in the room and he sounds to the caretaker there, only then she feels that someone is standing behind her, when she looks back, the caretaker of the studio stands covered in blood. Ana screams and the caretaker falls to the ground in front of her and dies. Ana shows some courage and calls the police , suddenly someone stifles her face from behind. she tries to free her mouth but fails she put one hand on his hand and look for something solid with the other hand. she sees a pen on the table. she tries to get it and after a lot of difficulty , the pen comes in her hand. she stabs the pen on murderer's hand and runs away. the murderer screams and runs after Ana. Ana runs down the stairs but her phone falls while running.
she comes out of the building running she thinks her life has been saved but he still follows her and she runs and gets into an accident with a car on the road. she hits the car hard and falls away and faint. The murderer stands from a far , he thinks that she is dead and leaves from there. The car driver comes out of the car and wakes up Ana but she doesn't wake up and then he calls 119.............