A home party held at the department chief's residence. Close colleagues gather, drinking and enjoying endless laughter and conversation. However, behind the scenes, complex relationships between men and women intertwine, and everyone appears tense and on edge. Amidst this atmosphere, emotions quietly begin to emerge without anyone noticing, deepening connections. Inside the confined space of the chief's home, no one can suppress their desires, leading them to confront their true feelings. Pure emotions surpassing everyday boundaries entangle, ultimately spiraling into unexpected developments.