It is dawn on Thursday, 14 February 2019, and armed FSB agents are raiding Michael Calvey’s Moscow apartment.

He is being arrested for a crime that never happened.

Twenty-eight years earlier, Calvey—a newly graduated, aspiring Wall Street hotshot—made a short trip from America to the recently collapsed USSR to look at potential investments. Sensing huge opportunity, he soon based himself in Moscow, where he lived through the “Wild East” years and went on to build several billion-dollar funds—earning enormous returns for Western investors as Russia opened up to international business. He gained a reputation that would lead to Bloomberg describing him as “a legend in the Russian market, with a reputed aversion to any kind of foul play.”

But now, he finds himself thrown into Moscow’s notorious Matrosskaya Tishina prison on charges trumped up by local business rivals. As the White House and Kremlin argue about his incarceration, Calvey is caught in a Kafka-esque trap, denied access to evidence proving his innocence.

Odyssey Moscow is the story not just of Michael Calvey, but of how Russia’s era of hope and aspiration finally died, and how light can be found in the darkest of places.