Death hidden in the wing

In the heart of seoul ,where science and secret often in hand in hand lives Dr. hyoon a young fearless doctor who hides a haunting past behind her calm face every night she walks from the same nightmare,a crying child,a locked door,blood on the floor but once night mysterious call lead her to a real murder scene,her dream and reality begin to blur.
As hyoon dives deeper into the case she discover a dark network inside SN company on the country most powerful corporation dehind it's shining image lie . experiment, corruption and death buried in silence each clue pulls hyoon closer to truth
-a truth that connects the dead girl ,the mysterious call ,and her own forgotten past
With the help of felix a cheerful yet secretive investigator and jihoon ,man with hidden indentity and broken heart hyoon beings her expose the buried crimes but the deeper she goes the most dangerous it becomes.trust turn into betrayal , friendship into sacrifice and truth into blood
In a world where life can be sold and justice can be silenced hyoon must her own nightmare-because sometimes the dead don't stay silent.