In the tenth episode of Dear Hyeri, titled "Three People," the narrative delves into the complex dynamics of love, identity, and the struggle for emotional guardianship as Hyun-oh, Eun-ho, and Joo-yeon's lives intersect in poignant ways. The episode opens with Hyun-oh reminiscing about his past with Eun-ho, recalling the moment he first admitted his interest in her. This introspection sets the stage for the emotional journey that unfolds as he brings Hyeri back home, only to discover that it is actually Eun-ho.
Meanwhile, Ji-on embarks on a bus journey to the location where an announcer claims to have seen Eun-ho, reflecting on his own initial attraction to her and the subsequent realization that she was Hyun-oh's girlfriend. This revelation adds another layer to the tangled web of relationships and unspoken feelings among the characters.

At Hyun-oh's home, the tension rises as he inquires whether Eun-ho recognizes him, revealing her true identity as Eun-ho, not Hyeri. Joo-yeon's phone call and subsequent arrival at Eun-ho's house further complicate the situation, leading to a heated debate among the three men over who has the right to be Eun-ho's guardian in her time of need.
The morning brings a tender moment as Hyun-oh and Eun-ho step outside to find Joo-yeon waiting for her. In an emotional outburst, Joo-yeon professes his feelings for Eun-ho, asserting that his affection is for her true self, regardless of her identity. This heartfelt confession leads Eun-ho to run into Joo-yeon's arms, seeking Hyun-oh's permission to speak with Joo-yeon.
Back at the office, Hyun-oh is visibly distraught, his thoughts consumed by the image of Eun-ho and Joo-yeon together. A conversation with Ji-on sheds light on Eun-ho's past actions, revealing that she had been living in the mountains with a drawing Hyun-oh had made of his mother's necklace. This discovery helps Ji-on realize the depth of Eun-ho's love for him, despite the challenges they faced.
The episode takes a dramatic turn as it is revealed that Eun-ho had attempted to live as Hyeri in the mountains, seeking to understand the source of Hyeri's happiness. Her failed attempt to become Hyeri and the self-harm she inflicted in the process are shared with Joo-yeon in a tearful farewell, marking the end of their relationship.
In a climactic scene, Hyun-oh runs after Eun-ho, calling out to her, and they meet on the staircase where they had once broken up. Their reunion is sealed with a kiss, signifying the rekindling of their love and the acceptance of Eun-ho's true self.
The epilogue provides a bittersweet conclusion to the episode, with both Hyun-oh and Eun-ho admitting that they missed each other, even when they saw each other every day. This admission underscores the depth of their feelings and the complexity of their relationship, which has been tested by Eun-ho's mental health struggles and the involvement of Joo-yeon and Ji-on.
"Three People" is an emotionally charged episode that explores the boundaries of love, the struggle for identity, and the impact of mental health on relationships. It highlights the importance of recognizing and embracing one's true self, as well as the power of love and understanding in overcoming life's challenges. The episode leaves viewers with a sense of hope for Hyun-oh and Eun-ho's future, while also acknowledging the pain and growth that have shaped their journey.