[HBO] HD. After the murder of his client, Joao Paulo Birman, Mandrake investigates and uncovers new suspects--and Birman family secrets.[HBO] HD. After the murder of his client, Joao Paulo Birman, Mandrake investigates and uncovers new suspects--and Birman family secrets.[HBO] HD. After the murder of his client, Joao Paulo Birman, Mandrake investigates and uncovers new suspects--and Birman family secrets.