Underwater cops solving crimes where the real danger isn't sharks—it's each other.
Season 1 • Episode 9
LatestThe elite DCU fights crime underwater, but just like the turbulent oceans, there is more going on under the surface than meets the eye
Cinematography
Stunning underwater sequences that feel genuinely immersive.
Acting
Hiroshi Abe anchors the ensemble with subtle authority.
Writing
Layered mysteries unfold with patience and payoff.
Trivia, insights & behind the scenes
The cast underwent actual diving certification—no stunt doubles for the underwater dialogue scenes.
DCU joined a wave of 2020s Japanese workplace procedurals re-examining institutional loyalty through genre lenses.
JP
