Moon Chae Won and Lee Joon are hiding thoughts with each other in the recent stills released by the Wednesday-Thursday tvN drama "Flower of Evil."

"Flower of Evil, per Soompi, is about the story of a man who hides his past named Baek Hee Sung (played by Lee Joon Gi) and pretends to love his wife Cha Ji Won (played by Moon Chae Won). Cha Ji Won, as a detective, begins to grow suspicions against her husband, and the pair ultimately forced to confront a dark reality they never wanted to face. Meanwhile, playing the daughter of the serial killer Do Hae Soo is Jang Hee Jin, and portraying the reporter Kim Mu Jin, is Seo Hyun Woo.

The upcoming episode's new sneak peeks show Baek Hee Sung, and Cha Ji Won in their daily lives as a couple. Cha Ji Won hands a bag to Baek Hee Sung amidst the peaceful atmosphere of the image. The kit contains an item left behind by murder suspect Do Hyun Soo (Lee Joon Gi), who is the real identity of Baek Hee Sun.

Cha Ji Won previously learned Baek Hee Sung's true identity and said that she only believes what she sees, revealing her resolve to uncover the truth herself. In the next episode, explicitly, Cha Ji Won present Baek Hee Sung with a remnant from his hidden past to catch his response while pretending that she doesn't know anything.

Baek Hee Sung, unaware that his wife is already suspecting him stares affectionately back to Cha Ji Won as they talked about something. And although the couple pretends nothing is wrong in their marriage, viewers are starting to create tension within themselves as they become curious about how the situation will unfold.

The thriller-suspense drama "Flower of Evil" airs every Wednesday and Thursday at 10:50 PM, KST.