The 20-year-old daughter of a D.C. lobbyist develops an addiction to opiates after a fall from a horse.
During the camping trip, Jacqueline has a spat with her mother, Zillah, who tries to make amends; the family prepares to welcome the baby.
Magnus departs on a business trip; Zillah stirs up trouble at the beach house; the family departs on a holistic camping trip.
Jilly has a hallucination and talks to her therapist; Jacqueline keeps tabs on Jilly; Jilly reveals her pregnancy to Paul, who has a conversation with Jacqueline; Jilly talks her mom and grandmother into taking a trip.
Family therapy is rough on Jacqueline and Jilly; after completing rehab, Jilly meets an ex on the beach; Jilly tries to change her ways.
The Mitchells learn drugs turned up in Jilly's system; Jacqueline and Magnus discuss rehab for Jilly; Jilly's boyfriend, Paul, visits her in the hospital and a confrontation ensues.
The Mitchells invite guests over for dinner; Jilly's suspicious behavior at a photography competition only gets worse later on at the dinner party.