Tetra Nova tells the story of Lua Mater, an obscure Roman goddess who re-imagines herself as an assassin coming to terms with an emerging performance artist identity in the late-20th century. The operatic text begins in Saigon, where she meets a little girl named Emi, an American of Vietnamese-Japanese descent visiting her mother's country for the first time since the war's end. As the voices of Lua and Emi blend into one dissociated...