The life stories of history's greatest minds. From their days as young adults to their final years we see their discoveries, loves, relationships, causes, flaws and genius.

1787, France. While investigating a series of mysterious murders, Joseph Guillotin - the future inventor of the world famous ‘Guillotine’ - uncovers an unknown virus: the Blue Blood. The disease quickly spreads amongst the French aristocracy, driving them to murder ordinary people and soon leads to a rebellion.

Old-school police detective Pierre Niemans and his former student Camille Delaunay tackle complex, brutal murder cases.