No need for spoiler since the story is as simple as stated in the plot.
It's the type of movie that I might forget but also the reason why I'd want to rewatch it.
I actually watched it before and I felt like I had deja vu. Looking at my watchlist, I confirmed that it was already marked as watched. Regardless, the beauty of not remembering the details fully makes the movie had me the feel to it. Great movie dedicated for struggling youth.

Also, great casting. As expected from Jin Goo and Min Ki. Even the supporting roles are well casted. If this is a series, pretty sure that there will be more side stories about the people in the ward and how they ended up there which I like since it's like listening to other people's real life stories