Episode 6 of "Who Is She" kicks off with a heartfelt poetry session catering to the elderly residents of the neighborhood, where the theme of love resonates deeply. As Mr. Park recites his poem, a nostalgic flashback unfolds, revealing a childhood acquaintance with Mal-soon, a relationship tinged with unfulfilled affection. His heart shattered upon returning from military service to find Mal-soon expecting a child.
Switching to the present, Mr. Park chances upon an conversation between Daniel and Du-ri, inadvertently learning that Du-ri has been terminated from her job. This revelation stirs Du-ri's anxiety about Ha-na, as she had diligently negotiated for Ha-na's inclusion in her employment contract. Elsewhere, a trainer acknowledges Ha-na's prowess in song arrangements but Unfortunately, he concludes that her dancing skills, which are lacking, will ultimately dictate her evaluation.
At home, Du-ri dives into her practice sessions, seamlessly slipping into her Mal-soon alter ego as she checks on her daughter and son-in-law. Ha-na, concerned about Du-ri, pays her a visit. Their chance encounter with Mr. Park leads them to an impromptu seniors' singing competition buzzing with local enthusiasm. At the event, Du-ri and Ha-na steal the show with a mesmerizing, unplanned performance. Du-ri's soulful rendition of "The Man in the Yellow Shirt," complemented by Ha-na's latest arrangement, captures the audience's heart.
Subsequently, Ha-na clarifies the misunderstanding surrounding Du-ri's relationship with Mr. Park, prompting Daniel to regret his impulsive decision. He seeks Du-ri out to offer a heartfelt apology and decides to stay at Mr. Park's guesthouse, seeking solace and a fresh start.
Elsewhere, Ha-na endeavors sincerely to forge connections with her fellow team members, yet her heartfelt efforts seem to fall upon ears indifferent and unmoved. Not long after, Du-ri makes her return to the practice sessions with the team, whereas Daniel finds himself growing increasingly contented with his new living arrangements. On the crucial day of evaluations for the debut team, Du-ri once more falters during her performance in front of Ae-sim, while Ha-na's exhibition, too, lacks the spark to truly shine, merely settling for mediocrity.
Concurrently, at the company offices, Mr. Park encounters Kkeut-soon (Emily), the doppelgänger of Mal-soon. However, Du-ri swiftly steps in, pleading with him to depart before any further gossip or speculation could arise. Initially, the instructors deliberate seriously about excising Du-ri and Ha-na from the roster due to their subpar skills. But just as fate would have it, they chance upon the viral footage of their spontaneous, unplanned performance together.
Meanwhile, Emily makes her way back home, impersonating Mal-soon with a vengeance. Mr. Park, realizing how drastically he's drifting apart from Mal-soon, seemingly gets entangled in an accident. Days later, Du-ri crosses his path once again—but this time, he's revealed as a younger man, a twist that throws everyone off guard.
