In the bustling heart of 1874 San Francisco, a celebratory toast at the grand Nob Hill Mansion descends into chaos when Mayor William Alvord collapses, poisoned by a deadly dose of strychnine. Amidst the glittering chandeliers and opulent decor, Chief Inspector Samuel Wallace embarks on a relentless pursuit of justice, unearthing a web of political rivalry, betrayal, and industrial espionage. As high-profile suspects are scrutinised and damning evidence...