Sylvere writes his own letter while Chris explores a new reality with Dick. Devon's performance awakens the people of Marfa.

Dick questions his role at the Institute, creating new opportunity for Paula. Toby sets boundaries and Devon takes her work in a new direction. Chris and Sylvere come to an impasse.

After a grand gesture, Chris grapples with a Dick-less existence. Toby goes viral with a provocative project that Devon takes issue with. Pushed beyond their limits, Dick and Sylvere broker an unlikely truce.

The women of Marfa expose their history of desire.

Sylvere demands Chris undo the damage she's done though it may be too late. Chris' letters bring Devon and Toby together. Determined to clear the air, Chris and Sylvere devise a plan.

Chris and Sylvere proceed with their questionable scheme but Dick throws them for a loop that their marriage can't handle. Toby and Devon go their own ways.

Chris' growing obsession becomes a fun and fueled marital pastime.

A married couples relationship is put to the test when they both fall for the same professor.