The Veil is a spy investigation series that tells the story of a top National Intelligence Service (NIS) agent, Han Ji Hyuk, who during a mission that ended up with the death of his two colleagues and the revelation of many agents Korean secrets in China, disappeared and was presumed dead. A year later, he reappears without the memory of the past year.
He therefore begins to investigate to discover an internal traitor who wants his downfall, but he confronts a much bigger enemy behind a secret organization. He is joined by Je Yi, who is a young NIS agent with her own motives and becomes Han Ji Hyuk's partner.

The series is very mysterious, honestly we are suspicious of everyone, especially those who wish to "help" our protagonist, without forgetting that he himself because of his mental state makes us doubt his character.
Who is he really ? How far can he go to complete a mission ? What happened a year ago ?

It is really a complex character that plays Namkoong Min successfully. This character is cold, distant and determined, he wants the truth at any cost and has little pity for those who are his enemies, no matter how "close" to him that person was.
He quickly understands that he cannot trust anyone but despite this, he still goes from disappointment to disappointment.
I must say that the mystery thickens with the passage of time instead of the opposite, until the last episode.

I thank the writers of the series who did not want to invest in a ridiculous fast romance, so we were able to focus on the intensity of the series entirely without scenes made to satisfy fangirls in search of romance. And oddly, it makes the FL enjoyable, we can understand her motivations, and appreciate her character.
The series is dark, the tones are dark, the characters are all mysterious and complex, it is difficult to know who stands on which side, they all have multiple layers and even the antagonists are relatable and on the contrary sometimes we asks if our protagonists are that "good" and if they are not the "bad guys".
The action scenes, be it the fights, the car chases, they are all done with realism and excellent choreography.

The theme of the series revolves around the truth, the truth which is always different and altered according to the person, his memories and emotions. But also the series speaks of sacrifice, of those people who hold power and who according to them work for the country when in truth they only want power. The sacrifice of common people in the service of these people in power, ending up being nothing more than pawns and collateral damage, but also of the revenge that comes from suffering.
If there is cause for revenge, how should it be done ? On who ?
It's really a series that addresses these aspects of being human is this search for truth, for a goal to accomplish that could pull the most desperate people out of the arms of death.

I must say that this series managed to produce what it wanted as a result, it is impactful and intense.