Married woman Yuna meets her young neighbor's gaze. Drawn to his eyes, she hesitates but boldly drops her key to seduce him. Their awkward relationship soon entangles under raw impulse. Though words are few, her feelings for him deepen and intensify. While her husband is away on a business trip, she invites the neighbor in, slowly deepening their connection. In the silence between them, their emotions speak clearly. A tender yet bittersweet tale of forbidden passion unfolds between the two.