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Jeon Jungkook, a 33 year-old man who owns an advertising company that he has obtained from year-to-year has succeeded in getting the title of rich man who is worshiped by women out there.

Regardless, Roseanne Park, his new secretary who seems to make Jeon Jungkook interested in knowing more how strong this woman can survives in her company. Yes, not as expected by Jeon, that secretary who is called Rosie, was stronger than his previous secretaries. What's more is, Jungkook couldn't do anything that Rosie know his biggest secret.

What secret? Why did Rosie succeed in making Jungkook unable to do anything that succeeded - conquering Jungkook?