A documentary series that explores the furthest reaches of the internet and the people who frequent it, Dark Net provides a revealing and cautionary look inside a vast cyber netherworld rarely witnessed by most of us. Provocative, thought-provoking and frequently profound, each episode illuminates an exciting, ever-expanding frontier where people can do anything and see anything, whether they should or not.

Set in the 1960’s, high school student Toru Watanabe loses his only friend Kizuki after he commits suicide. Toru, now looking for a new life, enters a university in Tokyo. By chance, Toru meets Kizuki’s ex-girlfriend Naoko in the university. They grow close because they both share the same loss. As Toru and Naoko grow even closer, Naoko’s sense of loss also grows. After Naoko’s 20th birthday, she leaves for a sanitarium in Kyoto. Watanabe, devastated by the situation, meets pure-hearted Midori during the spring semester. Midori looks like a small animal that just came into the world …