From Wikipedia:

The Days is a Japanese biographical drama series on Netflix with all 8 episodes released on June 1, 2023.[1]

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The series follows Japanese government officials, Tokyo Electric Power Company employees and Fukushima Daiichi Nuclear Power Plant employees in Okuma, Japan in the wake of the 2011 Tōhoku earthquake and tsunami. The massive waves and structural damage cause damage to the Nuclear Power Plant leading to the Fukushima nuclear disaster. The series explores the series of events in the immediate aftermath, where some consider the people involved to be heroes who prevented a much larger nuclear disaster, while others blame them for not preventing the disaster that occurred.