Identical twins, Joo Baek-hee and Joo Baek-na.

Since childhood, Ha-yoon has lived in the same house as them, being their only “friend.”

However, behind that relationship lies something Ha-yoon never knew.

Unable to endure the overwhelming pressure and fear, Ha-yoon eventually ran away from that house.

But when news comes that her mother has collapsed, she is drawn back there once again…

The mansion still looms large, suffocating as ever.

And inside, as expected, she comes face to face with Joo Baek-hee.

“Ah… that face I loved so desperately, and yet the very same face I wanted so badly to escape from.”