Lee Seung Gi's drama "Mouse," which premiered in March, is getting a lot of attention for its disquieting plot.

Lee Seung Gi and Lee Hee Joon are set to start searching for the new headhunter in the upcoming "Mouse" episodes!

Jung Ba Reum Continues to Have Behavior Changes Due to Brain Surgery

Now that "Mouse" is already in its second half, expect intriguing and interesting twists in the remaining ten episodes. The first half of the series established the story on how a psychopath can be determined even though the baby is still in his/her mother's womb.

In the latest "Mouse" episodes, after police officer Jung Ba Reum (Lee Seung Gi) went on a brain transplant, he started to feel changes in his behavior. He became more aggressive, which is very different from his original personality as a kind and composed young man.

The police officer started to become curious about his condition, so he decided to visit his doctor. And it has been revealed that Doctor Han Seo Joon (Ahn Jae Wook) was the one who operated on him.

He is also known as the headhunter - he transplanted his son's - Sung Yo Han (Kwon Hwa Woon) - brain in Jung Ba Reum.

ALSO READ: 'Mouse' Episode 9: Lee Seung Gi Inadvertently Turns into a Psychopath in Front of Lee Hee Joon

Upon discovering it, Jung Ba Reum couldn't calm himself and is desperate to have another second brain transplant in order to remove Sung Yo Han's brain. The police officer doesn't want to become a psychopath like him.

But even though Jung Ba Reum tries to fight the chaos in his head, his behaviors shows a possibility of being a psychopath.

Meanwhile, detective Go Mu Chi (Lee Hee Joon) was very impressed with Jung Ba Reum's ability to see and know every detail that happened in the murder cases that they have been solving. The detective is getting suspicious of Jung Ba Reum's sudden aggressive behavior.

What to Look Forward to in "Mouse" Second Half

Before the forthcoming episodes air on primetime, tvN released a new drama poster, showing the different aura that Jung Ba Reum projects. He is fiercer, stronger, and bolder than ever before. He is not wearing his police uniform anymore, but rather an all black outfit, giving him a villainous vibe.

Detective Go Mu Chi, who walks alongside Jung Ba Reum, shows a confused look to the police officer.

The captions are also different from the previous poster. On the first poster released, the tagline written was "He is hunting people," while in the new ones says, "I am beginning a new hunt."

This new tagline gives confusion to the viewers. They are curious about the new Jung Ba Reum's personality.

"Mouse" is getting more complicated and plot intensifies. A new serial killer appears in the city and is doing the same method of what the late doctor Sung Yo Han did to his victims.

ALSO READ: 'Mouse' Episode 10: Lee Seung Gi Pursues the Serial Killer

Did you enjoy watching the first half of "Mouse"? What scene caught your attention the most? Share your thoughts with us in the comments!

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Written by Shai Collins