A funeral turns into a treasure hunt for the "Horsin' Around" cast and a potential schmoozefest for Princess Carolyn and Mr. Peanutbutter. Meanwhile, Todd briefly reinvents himself.
Mr. Peanutbutter throws Diane a surprise birthday party, putting tension on their relationship. Princess Carolyn and Vincent have a serious talk. Wanda tells BoJack a joke.
BoJack, Kelsey, Todd, Princess Carolyn, and Mr. Peanutbutter attempt to shoot a crucial scene in the Secretariat movie that was not in the script. Princess Carolyn and Diane contemplate their respective careers.
Diane crashes at BoJack's place after quitting her job following Sebastian St. Clair, which puts a strain on BoJack and Wanda's relationship. Todd joins an improv comedy troupe which turns out to be a cult.
Bojack runs off to New Mexico to reconnect with an old friend, only to find she's happily married with a family. After staying longer than planned, Bojack makes another life mistake.
BoJack discovers the Secretariat film was finished without him. Princess Carolyn starts her own agency firm. Todd finds himself trapped in the improv comedy cult.