I love this whole full circle thing with Primrose Deville being related to Rose Deville and the baby-buying ring. Not sure how Billy is going to explain showing up with a brand new baby and I love how Rafe said he'll be there to represent Billy when this inevitably blows up in his face! Best writing I've seen in a while.
Also loved how finally, someone (Ronan) explained his long-lost father. Makes perfect sense he'd have used the bureau to find him and know that he died of the same genetic disease he now has. It's a matter of time before a nuChance arrives to save the day.