Rumblings of war and social unrest inspire trades union activists to target Selfridge's. Harry responds by throwing a tango party to thank the staff for their hard work. He also wants to do something more public and asks Agnes to organise a Celebration of Empire in the store - but is it too much for her? Meanwhile, Rose secretly seeks out an old friend for Harry, and trouble is brewing for Lady Mae.
Gabe discovers PJ has been living in the tree house in the backyard.
Trixie's feathers are ruffled when Jenny is promoted, but the new Acting Sister has more to worry about after a mother-to-be reveals the baby she is carrying doesn't belong to her husband - and to complicate matters, the real father is black. Cynthia is inspired by a lecture on natural childbirth, convinced it will help an overly anxious patient, while Alec and his friends try to persuade Jenny to join them on a CND march.
After Bo narrowly escapes an attack by a vengeful Fae, the team tracks down who sent it, only to make Bo doubt her feelings for someone she loves. Meanwhile, Kenzi's surprised by a visit.
Dom helps Agustín move into Frank's house in Oakland while discussing Patrick's love life. Back in San Francisco, Patrick goes on a date with Richie, and Dom has an encouraging reunion with Ethan.
A hidden image at the burned-out church leads Cohle and Hart to Joel Theriot, a tent-revival minister whose parishioners finger a scarred “tall man” seen with Dora Lange. Brought in for interrogation, a sex offender matching the description is quickly dismissed by Cohle, despite offering a confession. Hart gets sidetracked after Maggie sets Cohle up with a friend at a C&W bar. Looking to establish a pattern of murder, Cohle pores over old case files, finding a connection with a woman assumed to have drowned years earlier.
Marty and Jeannie pit rival grocery clients against one another, but things don't go quite as planned. Meanwhile, changes at Galweather cause trouble for Jeannie; and Clyde's already difficult work situation under Monica becomes even more brutal when he is forced to work from her home.
Ally takes on an alias in order to continue to be Austin’s song writer.
When Marge tries Homer's new high-tech glasses on, he learns she's seeing a marriage counselor; Bart refuses to buy Nelson a Valentine's Day card.
Delia's mom forces Delia to get a job or re-enter beauty pageants because she thinks she has too much free time. Lindy finds her one as hostess on Fireman Freddy's Spaghetti Station, the gang's favorite restaurant when they were younger. Delia, however, turns out not to be the hostess Freddy wants. When Lindy welcomes a family into the joint, Freddy convinces her to be the new hostess, much to Delia's dismay. When Lindy tries to quit, Freddy asks her to stay for a big birthday party coming up and leaves her in charge, to which her bitter co-workers respond by quitting and leaving her alone to handle everyone and everything. Meanwhile, Logan and Garrett are bullied by some obnoxious kids who have taken their place in the Rumble Juice and they try to retrieve it.
Frank stalks his previously unseen daughter, Sammi, and is surprised to find out she has a son, Chuck. Meanwhile, Fiona and Mike are getting serious. Also, Carl begins stealing dogs and holding them for ransom so that he can earn some drug money for Frank. Sheila has her first successful online date with Native American cowboy Roger Running Tree.
Bev and Sean are still struggling with their relationship. Castor Sotto is getting more and more out of hand and wants to cancel the show. Carol convinces him to give it another chance and they get a new time slot. Andrew gives Matt a pilot script that turns out to be amazing and he wants to be a part of it.
The Belchers hire a documentary filmmaker and a former football star to help them film a commercial.
Brian tries to use Dylan's television connections to further his career.
Rob tells Khloé that she has the option of moving in with him. Kris thinks about going on Broadway. Scott leaves for Las Vegas for a business trip, but when Kourtney sees an advertisement that says he's hosting a party at a club in Las Vegas, she surprises him by traveling there, and finds out that he was lying about the business trip. Scott learns that while she doesn't expect a lot, Kourtney expects him to be honest.
Russ and Paola move into their own apartment. Aya meets Louis' ex-wife & boys for the first time. Kirlyam takes a trip to a salon where Alan learns she's been referred to a modeling agency. Aziza & Mike hit a pivotal milestone in their relationship.
The Browns get a scare when Truely falls ill but are told she just has the flu. While preparing for Mariah's going away party, Truely's health worsens and Christine learns that she has a deteriorating condition and needs to be hospitalized immediately.
Amy goes under cover to catch a Tennessee Walker's abusers after Ty brings it to Heartland to recover.