In the wee hours of the morning we see a man all in white, dying in the arms of his friends, having just lost a duel. He is dressed as a Pierrot (a sad pantomime clown); the bright red blood on his chest stands out against the white of his costume. He has just been done in by the man walking away, who is dressed as a Native American chief and being supported by his friend in harlequin dress. The winner may have suffered a blow too, for you can see some of his headdress feathers left on the trampled snow.
