I completely recommend this drama. Out of all of the dramas I've seen this is surely one of the best.

It's not only the mystery, the story, the relationships, is everything that it has. A good mystery story is nothing if the relationships iy portaits and those it builds aren't real, but this drama has the best ones. One of the things I like is how it is well conected, everything has a reason, and even the things you don't completely know, you know you know what you needed to know; it's a drama that completes you.

I really loved the relationships, the pure, beautiful frienships and the characters developement. Of course, Cha Youngjin and Ko Eunho relationship is my favourite, how can't it not be? It is what a real friendship is, it's love and trust to each other. But all the friendships in this drama felt needed, there wasn't any that felt wrong, the kids, the adults, every relationship was well shown.

Something that I also loved was how the book was a constant in the drama, and well used through it. It was a good chosen book and the meaning it had was really well used.

Lastly, I need to applaud the cast: Kim Seohyung, Ahn Jiho, Park Hoon, Ryu Deokhwan, Yoon Chayoung, Min Jinwoong and every single actor and actress in this drama made a perfect job portrying their characters and giving life to them. This is a drama I would never doubt to recommend, and I hope it becomes a valued drama that Everybody Knows.