To celebrate her daughter Olive's birthday, Katherine visits a fertility clinic to discuss the odds of giving her a sibling with help from a sperm donor.
Shep accepts Katherine's proposal - with oddly specific conditions. Jane and Katherine force the girls to hang out. Evan comes over to spend the night.
Katherine renews her quest to get pregnant with help from a surprising source. Praise be! But is it too good to be true? Elsewhere, Olive's growing up.