Hyomin was an orphan

Her parent was died in front of her when she was 9 years old

Her life was completely messing until she met jiyeon

Jiyeon's parent took care of her and kept her as their daughter.

So hyomin became Park Hyomin.

But she made the biggest mistake in her life.

She fell in love with park jiyeon.

The daughter of her savior , her bestfriend's girlfriend and her sister.

But.. a hope suddenly appeared

Jiyeon got amnesia

--

Lee qri.

The daughter of Lee Cooperation and ceo of Samsung company.

She can get everything she wants but.. not "her" love

She felt in love with her bestfriend, her childhood friend

It's Eunjung.

But eunjung didn't feel same.  she loves jiyeon.

But.. a hope suddenly appear...

THEY will get married.. and qri hope.. with this married, eunjung will love her back.