Having presented his christology and mariology under the sign of the "Dramatis Personae" in volume three of Theo-Drama, von Balthasar now turns to the action of the divine drama itself. Here we find his soteriology, where time, freedom, history, power, sin, conflict are seen in the light of the Cross, the culmination of the action and passion of God and man. As Balthasar expresses it in the conclusion to his preface: here "we discern...