"Can you believe it's already 1 year ago Jiwoo got kidnapped?" Mang Minji (19) and her best friend, Oh Sunmi (20) are daughters of the most successful and richest businessmen in Asia, Mr. Mang, and Mr. Oh. The businessmen are on a business trip to Tokyo and will be away for a while. While they are away, Minji and Sunmi are hanging out at Minjis', but what they don't know is that they will soon have visitors. But not the kind ones.