Chushingura refers to a play based on the true story of a group of ronin , warriors who defied the code that a samurai take his own life upon the death of his master, who avenged the death of their master, Lord Asano. For their actions, the government sentenced them to die by their own hands. This play was a popular subject for ukiyo-e prints, many of which featured contemporary actors onstage. A great innovator, Hiroshige placed the action within a full landscape, showing the ronin on their way to their vengeful act.