The historical novel by the famous Canadian Mark Frutkin takes readers back to the distant 17th century. Residents of Italian Cremona idolize the priest Fabrizio Cambiati and sincerely consider him a miracle worker. However, Fabrizio himself encounters a miracle: with the help of the latest invention - a telescope - he unexpectedly sees not only a comet in the night sky, but also future events on earth. And in the future, almost a hundred years later, the Jesuit Michele Arkenti will arrive in the city to delve into the life of the deceased Fabrizio and decide whether he is worthy of being called a saint. While conducting the investigation, Arkenti will touch the secrets of alchemy, reveal the secret of someone else's love and meet his own - equally forbidden and painful. The night of the return of the mysterious comet will be fatal for him... The novel was awarded the prestigious Trillium Prize.