A woman works as a special makeup artist. Because her heart was broken in the past, she finds it hard to love again and has a cold heart full of sadness. She unexpectedly falls in love with a humanoid robot programmed to be the perfect boyfriend and all the while a top star is competing for her affections as well.

Ok Da-Jung is the youngest team leader in the cosmetics industry. She has divorced three times so far. She doesn't care what others think about her and she also has quite a temper. Nam Jung-Gi works as a section chief at the same cosmetics company as Ok Da-Jung. Unlike her, Nam Jung-Gi has a timid and nice personality. He can't say anything that makes others uncomfortable. He is able to make Ok Da-Jung's blood boil.

We have a button on our bodies. It erases the bad memories from us. Everything bad and embarassing. But it only shows to other people; those who have sincerity. Jeong-nam delivers imitation goods and not the real ones. Jin sells herself and not flowers. In an alley in front of the cleaner's, Jin is waiting for someone while counting. However, no one is coming. Jin watches Jeong-nam who asks her what time it is several times but she's as cold as ice towards him as if she's never seen him before. Jeong-nam had saved Jin from her pimp who was beating her up in the back alley but still there's awkwardness between them. Then one day, Jin finds Jeong-nam abandoned in a pile of trash after being beat up by his clients, so he takes him home and they start living together and go on trips despite their bad start. They dream of a new life for each other. Will they get the life they want?

Divorced mother Yoo Rim (Yoo Seon) lives with her teenage daughter Eun Ah (Nam Bo-Ra), who is having a tough time at her new school. She has a crush on classmate Jo Han (U-Kiss's Shin Dong Ho), but he turns out to be different than what she expected. He and his friends rape her and then threaten her with a videotape of the assault. Eun Ah eventually takes her own life, leaving Yoo Rim alone and devastated. As minors, Jo Han and his friends are let off with light punishments. Yoo Rim takes matters into her own hand to get revenge for her daughter.

Min Tae Yeon isn't your typical vampire or your typical prosecutor. Rather than drinking blood from innocent strangers, he opts for blood sold on the black market in the posh bars of Seoul. He also has the uncanny ability to tell where the victim of his cases died, and how they died based on their blood's smell and taste. The only person who knows of his secret ability is Detective Hwang Soon Bum. They end up working together in a new joint department between police and prosecutors solving murder cases. They are joined by rookie prosecutor Yoo Jung In, and intern Cho Dong Man. Together, they solve murder cases, and Tae Yeon must use his "powers" to find leads on seemingly unsolvable cases. The one mystery he can't solve is: who was the vampire/serial killer that changed him seven years ago?