Seon-hwa is a new student at an elite medical school, and she is initiated into a dissection class headed by Dr. Han along with five other students, including her boyfriend Ki-beom. After the first class the students all start to share the same nightmare involving a one-eyed surgeon, and one by one they start to be murdered, the victims being discovered with their hearts removed. Seon-hwa and Ki-beom are convinced that these events are related to a beautiful cadaver with a rose tattoo on her breast, and they begin an investigation to uncover her identity.

From the outside, the Suhs seem like a loving, cookie-cutter, middle-class family with their lives in perfect order. In reality, everyone is hiding some secrets. The father has the hots for a young grad student. The mother is flirting around with a photographer she's posing for. The daughter is engaged but has a sex partner on the side. The son has a girlfriend, but he's been stalking the same student his father likes! What will happen to this perfect family when the secrets spill?

Seung-gi has been living under a strict father, blaming himself everytime when a natural but uncontrollable desire surges from inside of him. However, because he can't spurt that desire in reality, every night Seung-gi shares passionate love with a mystery woman in his dreams. He meets Eun-ji ("Viki") a senior from school and gets provoked by her as well as Soo-jeong who he's had a crush on forever.