Secrétaire dévouée de Min-ik, Gal-hee a beau se plier en quatre dans l'espoir de conserver son poste, son chef est implacable : il ne renouvelle jamais un contrat.

Suite à son agression, Min-ik ne reconnaît désormais qu'une seule personne : Gal-hee. Tout en cherchant l'auteur du méfait, il tente de se faire à sa nouvelle condition.

Gal-hee est de retour, mais cette fois-ci, c'est elle qui édicte les règles ! Min-ik laisse sa mère jouer les entremetteuses avec la célèbre Veronica Park.

Min-ik est agréablement surpris par son rendez-vous... bien loin de ce qu'il imaginait ! Dae-ju décide de parler affaires avec Veronica.

Une vidéo compromettante de Min-il refait surface. Désormais sur la sellette, Min-ik, aidé par Gal-hee, prépare sa prochaine réunion avec ses supérieurs.

Pendant la réunion, Min-ik et Gal-hee mettent en difficulté les directeurs qui poussaient le jeune homme à la démission. Verinoca fait alors son apparition.

La tension de Min-ik permet de reconnaître à nouveau les visages, et il rêve de voir celui de Veronica. Gal-hee s'interroge sur le renouvellement de son contrat.

Gal-hee, qui accepte de se rendre à un dernier rende-zvous avec Min-ik, réussit à éviter la catastrophe à plusieurs reprisés. Veronica dîne avec Dae-ju.

Gal-hee aide Min-ik à surmonter ses peines de cœur, tout en faisant face à un cambriolage. Veronica se retrouve accidentellement menottée à Dae-ju.

Min-ik a du mal à laisser s'exprimer son cœur. Veronica est ravie de prêter main-forte à Gal-hee... et de passer du temps avec Dae-ju.

Min-ik laisse parler ses sentiments, Veronica se fait attendre, et Gal-hee se prépare pour une tâche délicate : révéler la vérité.

Min-ik admet la vérité sur son trouble à Dae-ju, qui lui conseille de donner une seconde chance à Gal-hee. Eul-wang décide de dissoudre son petit groupe secret.

Une importante réunion du conseil d'administration prend un tournant inattendu. Veronica veut passer du temps seule avec Dae-ju. Min-ik ne pense qu'à Gal-hee.

Le rendez-vous galant de Gal-hee et Min-ik se transforme en journée familiale à la plage. N'ayant plus rien à perdre, les secrétaires entament une grève de la faim.

After a tumultuous date at the jjimjilbang, Jung Gal-Hee and Do Min-Ik go see a movie, where they run into Ki Dae-Joo and the actual Veronica Park. Feeling even more conflicted, Jung Gal-Hee anticipates the 12 hours to pass as Do Min-Ik develops hard feelings for her.

When Gal-Hee returns home, she finds out that a burglar (Do Min-Ik’s chauffeur) intruded the house, in search of her laptop. Meanwhile, Do Min-Ik deals with his “breakup” with Veronica Park and while trying to get over it, he enjoys a home-cooked meal with Jung Gal-Hee.

A cutter-knife is found in Gal-Hee’s home, which is linked to the burglary. Do Min-Ik remembers having seen the same knife in the hands of his chauffeur. His suspicion towards his chauffeur grows and as he’s temporarily able to see faces, he recognizes that of his chauffeur and goes to confront him.

After an encounter with Do Min-Ik, Veronica Park finds out that Jung Gal-Hee had been impersonating her in front of Do Min-Ik all this time. As punishment, Veronica Park asks Jung Gal-Hee to continue pretending to be her as she herself hopes to develop her relationship with Ki Dae-Joo.

Do Min-Ik reveals to Ki Dae-Joo that the woman he’s fallen in love with is Veronica Park. Ki Dae-Joo is shocked to hear that and tells Min-Ik to decide between her and Jung Gal-Hee. Do Min-Ik is torn between his feelings for the Veronica he knows and Jung Gal-Hee.

Do Min-Ik reveals to Ki Dae-Joo that he can’t decide between his feelings for his secretary and Veronica Park. Do Min-Ik continues to struggle with his divided feelings and eventually distances himself from Jung Gal-Hee and also decides to ask Veronica Park out.

Do Min-Ik receives information that his chauffeur was the one to attack him and intrude Jung Gal-Hee’s house. Meanwhile, Jung Gal-Hee dressed up as Veronica Park is awaiting her date with Do Min-Ik until she gets disappointed over seeing him having decided on Veronica Park over her true self.

Veronica Park and Jung Gal-Hee get into a car accident, in which they break a neck and arm respectively. Do Min-Ik receives news that both are injured but eventually chooses to visit his secretary, having decided that she's the one who he truly loves.

In an unexpected meal with Veronica Park, Do Min-Ik realizes that she's not the Veronica Park that he'd gone on a date with before. He later realizes that the Veronica Park he had loved was his own secretary pretending to be her and falls into deep disappointment.

As Yi Eul-Wang fears the police furthering their investigation regarding Do Min-Ik's chauffeur, she decides to disband her group, Euldoguk to provide security for the other members. Meanwhile, Veronica Park and Do Min-Ik's supposed breakup leaves the mothers disappointed.

Jung Gal-Hee struggles to come to terms with her dismissal and goes up to Do Min-Ik to beg him to forgive her. At first, his initial feelings of betrayal bring him to reject her apology but as he gears up for the directorate's meeting the next day, he allows her to act as his secretary for one day.

As Do Min-Ik faces trouble at the directorate's meeting, Jung Gal-Hee calls up Ki Dae-Joo for help. Do Min-Ik reveals his illness to the board and as the number of votes goes against Do Min-Ik, Ki Dae-Joo shows up at the meeting to cast his vote for Min-Ik, effectively putting off the final CEO voting.

After the meeting, Jung Gal-Hee leaves her job and visits her sister's performance along with her brother. Meanwhile, Do Min-Ik regrets letting Gal-Hee go and plans on treating her to a meal. But seeing her with a man he can't recognize, he feels jealous and eventually tells her he loves her.

Jung Gal-Hee and Do Min-Ik take a day off work to spend some time together and go on a date, but Gal-Hee's siblings get in the way of their date plans. Eventually, they have no chance but to spend the night at the beach along with her siblings.

Jung Gal-Hee feels conflicted as her fellow secretaries start up a protest against the company leadership. Eventually, she sides with them and joins in on the fasting. Worried about Gal-Hee's health, Do Min-Ik gives up his CEO application to allow a negotiation table for the workers.

When Jung Gal-Hee finds out that Do Min-Ik had given up his application to become CEO, she feels somewhat responsible and is upset. But he later reveals that he had convinced Ki Dae-Joo into running for the position. Eventually, Ki Dae-Joo becomes the CEO of T and T Mobile.

Do Min-Ik misinterprets his doctor and believes that an intimate night with his girlfriend would bring his heartbeat up. Later, he gets stuck in an elevator and when he does get out, his facial vision is temporarily restored. He uses this chance to see Gal-Hee's face and share a deep kiss.