امروز سالگرد ازدواج یک زوج جوان است انها به دنبال هدیه عالی برای هم هستند پس از یک صبح شلوغ زن به گالری میرود در انجا با یک مرد غریبه ملاقات میکند ان مرد وارد زندگی انها میشود و اتفاقاتی را رقم میزند او به طور موقت با ان زن و شوهر در خانه زندگی می کند و یک مثلث عشق خطرناک را آغاز می کند....
Today is Mo-rae and Sang-in's one-year wedding anniversary. After a busy morning preparing for the celebration, Mo-rae goes to an art gallery to find a gift for Sang-in. At the gallery, she meets a complete stranger and the two unexpectedly have sex. Mo-rae returns home feeling anxious and guilty about the incident and can not help but confess it to Sang-in. That night, a visitor arrives at their house; Du-rae, who came from Paris to help Sang-in with his new business. It's Mo-rae's shock, he's the man from the gallery. He temporarily lives with the couple in their house and begins a risky love triangle.