Han Yi Na (Kang Han Na) starts to get suspicious about their newest employee Jung Sung Min (Lee Shin Young).

In "Bite Sisters" episode 3, Kim Mi Sook (Kim Young Ah) hired Jung Sung Min as their new assistant in the boutique due to their increasing numbers of customers. Han Yi Na was not aware of the new staff in their shop, t. That'sy she was surprised to see him as if he reminds Jung Sung Min of Yi Na's past lover.

Jung Sung Min Has Lots of Similarities to Han Yi Na's Ex-Boyfriend

In continuation of their story in episode 4, the vampire lady gets suspicious of Sung Min. She keeps on observing him from afar and strictly analyzing his actions and even physical features that are similar to the man whom she used to love before.

During the night, Lee Ji Yeon (Choi Yu Hwa) mentioned the topic of a mortal being reborn. This caught Han Yi Na's attention, and she wanted to hear more from her sister. She was very curious about Jung Sung Min's real identity. For Han Yi Na, he is the same person that she loved a hundred years ago.

But being playful that she is, Lee Ji Yeon bluntly asked her younger sister if her heart skips a beat when she first saw Jung Sung Min the other day. Instead of answering her question, Yi Na just threatened Lee Ji Yeon.

ALSO READ: 'Bite Sisters' Episode 3: Lee Shin Young Reunites With His First Love Kang Han Na + Episode 1 Surpasses 1 Million Views

Han Yi Na Gets Tired of Being a Social Media Influencer

Meanwhile, their conversation got interrupted when Han Yi Na got flooded with messages from her social media followers asking for advice in life. Upon reading the texts she got pissed off as if she had a lot of responsibility now to answer all their inquiries. There's one message that caught her attention, someone wants to kill her bossy boss.

According to the sender, she is already tired of hearing the same complaint from her boss and it irritates her to the point that the sender really wanted to commit a crime. Han Yi Na, who is willing to help the stranger to get revenge over her supervisor, didn't know that the person wants to kill was her sister. The next day, Yi Na brought her favorite flowers and while arranging it on a vase, she mentioned to Kim Mi Sook to already fire Sung Min, because the two of them can handle all the work in the shop.

As a response, Mi Sook surprised Yi Na when she said that she will no longer work and was tired of dealing with humans already. Meanwhile, Jung Sung Min suddenly came and they were interrupted by his presence. Han Yi Na was determined to uncover his identity.

Jung Sung Min Surprised Han Yi Na with Her Favorite Flower

A flashback appeared before the ending of the last sequence. It was from the year where Han Yi Na was enjoying a day with her boyfriend, who looked like Jung Sung Min. They were talking about some random things before the guy captured Yi Na's beautiful smile with his expensive camera.

As the flash occurred through the screen, the scene was changed to the present where Han Yi Na was busy arranging the clothes on the rack. The man on her mind entered the shop and handed her a piece of her favorite flower.

She got curious about how Jung Sung Min knew about the things she likes. This leads her to dig for more information about Sung Min's past.

YOU MIGHT ALSO LIKE: 'Bite Sisters' Episode 1: Kang Han Na Transforms Into a Stylish Vampire, Tries To Fit in the Modern Era

Have you watched "Bite Sisters" episode 4? How's the chemistry between Kang Han Na and Lee Shin Young so far? Share it with us in the comments!

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Written by Shai Collins.