She's an actress who becomes entangled with a powerful CEO. There's a lot of drama : her sister stole her fiancé, she makes lots of enemies in the showbusiness, there's a secret organisation trying to ruin the CEO, her best friend is a hitman named K (he has a crush on her)... But the major drama revolves around her amnesia : she lost fragments of her memories that seem linked to the CEO and she tries to recover them.
[SPOILERS]
What she has forgotten is that she knew the CEO from before, they met on several occasions and gradually fell in love, but he had to erase her memory and his own to save her life. They met again at a party on a yacht where she was drugged by her sister : she thought she was raped by a stranger, but she actually slept with the CEO, she became pregnant with his child and they lived together during her pregnancy. She fell in love with him again but then she was made to believe that she lost her child and that made her lose her memories again. The CEO was the only one left with memories of them, he raised their child and waited for their paths to cross again.
No Way, My Best Actress Wife