Anna’s life was a pure definition of from grace to grass. She was born in a wealthy family. But her family collapsed after her father died in an accident. With the loss of her past memory, she now struggles to live alone. Accidentally hired by the a terribly handsome billionaire to babysit his triplets, she can’t help but fall for him and becomes a toy to him while he makes promises. However, she is soon dumped when his first love comes back, and sabotages their relationship with wicked plans. Though dumped and heartbroken, she still has the adorable triplets that always support her and give her love and warmth. "Don't you dare! SHE IS OURS!" They boldly claimed