Kim Min-kyu, a wealthy tech genius, lives in isolation due to a rare condition that makes him violently allergic to human touch. He insists he is not lonely.
Min-kyu secretly funds the Santa Maria robot project. Meanwhile, struggling inventor Jo Ji-ah becomes involved with the project for financial survival.
Ji-ah is hired as a temporary substitute for the humanoid robot Aji-3. Min-kyu remains unaware that the “robot” is human.
Ji-ah enters Min-kyu’s house posing as Aji-3 and begins learning the strict behavioral protocols required to deceive him.
Min-kyu tests Aji-3 extensively, impressed by her emotional intelligence, while Ji-ah struggles to hide her humanity.
Aji-3 earns points within Min-kyu’s ranking system, slowly becoming his most trusted presence.
Min-kyu takes Aji-3 to a critical business meeting, astonishing investors with her advanced responses.
Ji-ah narrowly prevents physical contact, while Baek-gyun grows suspicious of the situation.
A medical emergency forces Ji-ah to inject Min-kyu, accidentally revealing his condition to her.
Min-kyu begins seeing Aji-3 as more than a machine and confides in her about his past trauma.
Ji-ah realizes Min-kyu is emotionally dependent on Aji-3 and begins to feel conflicted.
Min-kyu hugs Aji-3, declaring she is all he needs. Baek-gyun intervenes violently and removes Ji-ah from the house.
Ji-ah is told her job is over, leaving Min-kyu confused and emotionally destabilized.
Min-kyu exposes his human allergy to Baek-gyun in desperation to keep Ji-ah close.
Ji-ah returns briefly, but the Santa Maria team becomes divided over continuing the deception.
Ji-ah steals Min-kyu’s first kiss, leaving him emotionally shaken and questioning his feelings.
Do-won attempts to manipulate Jin-bae, escalating corporate and personal threats around Min-kyu.
Ji-ah wants to confess the truth, but Doctor Oh insists the lie must continue to protect Min-kyu.
Min-kyu restarts the real Aji-3. Before parting, he gives Ji-ah his necklace as a final gesture.
Ji-ah and Min-kyu are forced together again when circumstances lock them inside a boathouse overnight.
Their emotional closeness deepens, while Min-kyu’s enemies close in on the Santa Maria team.
Ji-ah maintains her disguise after a chance meeting on a train, confusing Min-kyu further.
Ji-ah pretends to have amnesia, devastating Min-kyu and pushing him toward emotional collapse.
In the rain, Ji-ah kisses Min-kyu sincerely, but he pulls away, unable to trust his emotions.
Min-kyu finally agrees to hear Ji-ah’s explanation. Meanwhile, side romances and rivalries unfold at the café.
Doctor Hong and Jin-bae search for Jang Doo-sam, uncovering deeper conspiracies.
Min-kyu stops Do-won’s attack, asserting control for the first time without hiding behind technology.
Ye-ri-el reveals sensitive information about Min-kyu’s parents and their manipulative influence.
Min-kyu publicly reveals his human allergy, shocking the world and reclaiming his narrative.
Baek-gyun continues robot development, while Ji-ah begins independently marketing her ideas.
Min-kyu confronts his fear of human connection and questions whether love can exist beyond machines.
Hindi
06 December 2017
Comedy, Romance, Drama, Science Fiction
Jeong Dae Yun, Park Seung Woo
Yoo Seung-ho, Chae Soo-bin, Um Ki-joon
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