1第 1 集

Wang Joon is the lead in a drama, and Da Da and her team work on the show as the special effects makeup team. They don’t seem to get along at the set but in fact, Wang Joon and Da Da have been lovers for seven years in secret. Meanwhile, a humanoid called Zero Nine is getting ready for the final test.

2第 2 集

Wang Joon wins the Best Male Lead Award. Da Da watches the show as she waits for him at his house. She is excited to see him win the award but also feels sad because she can’t congratulate him openly. Instead, she gets into embarrassing trouble. Meanwhile, Bo Won finds out about the client who will take Zero Nine.

3第 3 集

Da Da kisses Zero Nine by mistake, and Zero Nine regards Da Da as his girlfriend. Da Da and Zero Nine get into a car accident, and Wang Joon tells Woong about his breakup. Meanwhile, Bo Won finds Zero Nine with Da Da. He tries to take him, but Zero Nine wants to stay with Da Da.

4第 4 集

Manager Ko Ji Seok calls Bo Won and tells him that they only have a week before Diana finds out about Zero Nine. Zero Nine asks Da Da to name him, and Da Da calls him Young Gu. Young Gu looks through Da Da’s place and cleans up the place. While cleaning up, he throws away Da Da’s precious things by mistake.

5第 5 集

Da Da gets replaced and works for Hwa Ni, a junior actor who is a rising star. Hwa Ni makes a scene, and Zero Nine appears and rescues her. Wang Joon sees Zero Nine and Da Da together, and he wants to know about their relationship. Meanwhile, Diana hurries Jung Hwan to bring Zero Nine to her.

6第 6 集

Da Da gets a day off as Wang Joon’s shoot gets delayed. Da Da and Zero Nine clean the workroom together. Kyu Ri comes to Da Da’s place with outfits, and Zero Nine hides in the bathroom. Meanwhile, Wang Joon spends a day alone and looks back on his memories with Da Da. He goes to see Da Da and sees Zero Nine at her place.

7第 7 集

Da Da tells Wang Joon that Zero Nine is her new boyfriend. Wang Joon gets jealous and makes unreasonable complaints about her makeup. Meanwhile, Da Da forgets to bring a dummy to the scene, and she asks Zero Nine to bring it in time. Zero Nine brings the dummy on time, but he gets hurt on his way.

8第 8 集

It’s the last day of Zero Nine’s trial period. Bo Won comes to Da Da’s place to take Zero Nine. As they leave, Zero Nine finds a location tracker in Bo Won’s car. Bo Won and Zero Nine split up to run away, but Bo Won gets into an accident. Meanwhile, Da Da sees Wang Joon doing an interview at the TV station.

9第 9 集

Da Da tells Zero Nine not to shut down the system, and they return home together. Ji Seok and In Hyuk meet Diana and tell her that they need a week more to deliver Zero Nine to her. Da Da and Zero Nine go to an amusement park for part-time jobs, and Wang Joon appears for an event.

10第 10 集

Wang Joon and Da Da run into each other at the amusement park. Da Da leaves with Zero Nine, and Wang Joon gets upset as he sees them together. Da Da and Zero Nine get closer as they spend the evening at the amusement park. Meanwhile, Woong finds out about Wang Joon’s secret.