As Livia tells her sons about their role in her Mission, the truth behind her part in Marcellus’ death threatens to come out.

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.

Back home in Kentucky, a shaken Beth reconnects with a former opponent who offers to help sharpen her game ahead of the U.S. Championship.

Suddenly plunged into a confusing new life in suburbia, teenage Beth studies her high school classmates and hatches a plan to enter a chess tournament.

The trip to Cincinnati launches Beth and her mother into a whirlwind of travel and press coverage. Beth sets her sights on the U.S. Open in Las Vegas.