When their 7-year-old daughter Yeri is nearly kidnapped, Angela's protective instincts resurface, saving Yeri and causing the young girl to recognize her as the mother she's always known. As memories begin to resurface, Angela must navigate the struggle to reclaim her past and protect her family from the dangerous forces threatening to tear them apart.

A spoiled, rich and entitled brat is the title that Bae Joohyun, Irene, claimed. When she is forced to go on a business cruise with her sister Jisoo, and high class family, she feels nothing but dread with the claim; "waste of time". Obsessive and possessive with the thought burned into her mind, she can't help but question it when she meets an innocent and oblivious crew member, Kang Seulgi.