Karma surprised me through quiet, dark complexity rather than spectacular action. Its six episodes gradually show how decisions and apparent coincidences entangle lives.
At first, the separate characters almost suggest an anthology. A debtor, medical professionals, an outsider and a couple seem to occupy different stories. With each episode, the connections tighten and cause and effect become more significant than chance.
The performances give these morally compromised situations weight. Park Hae-soo is intense without exaggeration, suggesting a man who cannot quite trust himself. Shin Min-a's Ju-yeon combines vulnerability and hardness. Lee Hee-jun and Kim Sung-kyun bring desperation and defiance, while Lee Kwang-soo and Gong Seung-yeon make their characters' vanity and attempts to escape consequences interesting to watch.
Cool, pale colors create a mood that develops gradually rather than dazzling the eye. The direction favors sustained unease over loud musical emphasis. Questions about responsibility emerge naturally: how far can one small choice reach, and does wanting to survive excuse the damage?
The first two episodes can be confusing because the relationships are not yet clear. That may frustrate viewers, but the construction begins to pay off by the third.
For me, Karma is a convincing thriller for anyone willing to engage with moral ambiguity and emotional pressure. Its quietness does not reduce its impact.