Watch Online Free on Watchseries. In September 1982, the city of Chicago was swept with paranoia after it was revealed that a lethal dose of potassium cyanide was found laced inside the miracle drug, Tylenol. In this fictional re-telling of the story, we follow a character who, moments after taking Tylenol, finds out about the poisoning. We see what could be his final moments, in a sensitive and emotional character driven piece.