Young In, a girl that was abused by some people asked by her cousin, Jung Jessica.
Then she saw another man abused in the same place.
He saved her, and he brings her to his life.
But, she still was not saved.

While jjong was trapped because HyunAh fall for her,
while DooJoon is HyunAh's boyfriend.
So DooJoon kills him throw Jonghyun in a place.
And jonghyun still alive, but he discovered a secret place and get abused.

Even when they escaped from that place, they're still not safe.
Like, some soul was still following them.

There's a soul that is following Young In, and she possessed Jessica's and HyunA's body.

GOOD LUCK! XD