Russian class opens the door to a new social scene. In Mexico City, Beth meets the intimidating Borgov, while her mother cozies up to a pen pal.

December 1925. When Tommy receives a mysterious letter on Christmas Eve, he realises that the Shelbys are in danger of annihilation.

Pablo Picasso confronts the threat of fascism in Spain, and Young Pablo rejects traditional painting to search for his own voice.