Virginia and William ramp up their participation in the study. Libby bypasses William and pressures Ethan to resume the treatments. Austin and Margaret ramp up their tryst leading to differing expectations. Ethan decides to commit to Vivian.
Stars: Michael Sheen, Lizzy Caplan, Caitlin FitzGerald
Director(s): Tim Fywell
Writer(s): Michelle Ashford, Thomas Maier, Tyler Bensinger