Despite many things not explained properly and the ending being a little disappointing, the script holds your attention throughout, as with each chapter the desire to know what happened and what will happen is greater. The writers created captivating characters and an intriguing plot.
The direction is good, the drama is energetic from start to finish, there's not that twisted phase where nothing happens in the middle of the drama. The scenes are well recorded, the editing was zealous and even the use of memory scenes is well dosed. The effects used are adequate and visually pleasing.
The soundtrack is harmonious and very well used in the scenes.
The cast is very good and the performances do not disappoint. Li Yi Tong performs lightly and interacts convincingly with the entire cast. Jin Han played his character very well and showed that he is consistent in his performances, whether as a villain or hero he manages to carry the character.
One scene caught my attention, I think, like me, one of the two directors, was a fan of Hitchcock, because the scene with the birds in the tunnel caused me as much despair as the scenes in the movie 'The birds'.