It's has good plot. They try to makes sense all the plot and clue they create that the writers forget of how to give a room to each character Narrative, make them to find an engaging emotional ride . lack to give real emotional of this narrative what make experience watching this drama boring . Their trauma and their past is just a background. Instead, They try to expand the remaining hours to add unecesary detail in each case and can't figure out how to give room to creating an engaging emotional depth, which left me never engaged to the story. The cast sell this character emotional conflict and make them interesting.

I have to give them credit for giving the audience a change viewing each character point of view. Also, little tonal shift, stay true to the genre , generally well constructed plot, and a good cast. And
I'm happy though Seo Kang Joon choose another solid drama twice in a row and with solid production and a good cast.