12 boys, with an extreme fear, are sent to a mental institute to cure them of their phobias.

As they interact with each other, they may find that they aren't so different after all.

And they may just help heal each other.

Zhang Yixing has Ombrophobia, fear of the rain.

Kim Joonmyun has Gerascophobia, fear of growing old.

Kim Jongin has Autophobia, fear of being alone.

Do Kyungsoo has Nyctophobia, fear of the dark.

Oh Sehun has Sinophobia, fear of the Chinese.

Lu Han has Ambulophobia, fear of walking.

Wu Yifan has Dextrophobia, fear of objects to the right.

Huang Zitao has Disposophobia, fear of throwing things out.

Kim Jongdae has Technophobia, fear of technology.

Kim Minseok has Obesophobia, fear of gaining weight.

Byun Baekhyun has Haphephobia, fear of being touched.

Park Chanyeol has Homophobia, fear of becoming a homoual.

As their story goes on, they'll have to learn to disable their phobias, for the sake of others.