Jeong In is found dead, grasping a note forewarning her death. In the past, she and Min Tae Chang conspired and killed Baek Seol Ah's father and stole his fortune. After using the money she stole to become the CEO of a production company she found, she meets and falls for Seo Jin Ho, an aspiring actor who looks just like her first love. Jeong In transforms him into Jung Woo Jin, a top star. However, she learns that his former love is Baek Seol Ah and that Park Jin Kyung, the unrevealed writer of "Poker Face," is the same person as Baek Seol Ah. Baek Seol Ah vows to get revenge after learning that her ex-boyfriend, Seo Jin Ho, is involved with Jeong In, who had murdered her father. She resolves to write a drama to complete her revenge. Could Baek Seol Ah be Moon Jeong In's murderer? The culprit was someone in the banquet hall, but everyone wished for Jeong In's death. Who was it, and for what reason did they kill her?
A warm, friendly, considerate person, Hee Jae is surrounded by people who claim to know and love her. The problem for Hee Jae is that she isn’t really sure if she really understands herself. On the other hand, Mi Na is Hee Jae's confident and energetic best friend and colleague at Play Books, a supplier of books and related products centered around sex and romance. While an expert in how to achieve physical pleasure, her understanding falls short on romantic relationships. When they find themselves told to take over hosting a sex and romance advice podcast, the two feel more than a little lost...
Bo-young, who suffers from a rare disease that becomes dangerous if she is too emotional, meets Cheol-gi, a rural young man, and falls in love.