On the eve of Victoria's big movie premiere, Emmy visits with some surprising news while Elka announces she's taken a younger lover.
Mel wants to get rid of the ugly chair that Joe inherited from his late grandmother Ryder pretends to be a college student to get close to one of Zander's roommates.
Homesick castaways are granted a brief reprieve with letters from home. Meanwhile, one castaway secretly embarks on a stakeout to gather intel from the competition and another castaway falls hard while attempting to collect coconuts from the treetops.
Bellamy, Finn and Jasper head into Grounder territory to search for Octavia, as flashbacks show the siblings' difficult childhood on the Ark. Meanwhile, Raven finds out about Clarke and Finn.
Tessa decides to mentor young social outcast in the Miss Chatswin pageant to make a statement Victor goes missing while on a camping trip with George, Noah and Fred.
When a spate of shootings claims one of Ronnie and Joe's own, Wes Leyton, the pair are left with a race against time as the next target the shooter has in his cross-hairs is CPS boss Henry Sharpe.
Richard uses science and home footage to reveal the humiliating and painful potential of scooter stunts, break-dancing and swinging on ropes.
Frankie begs Rita Glossner to take down her noisy wind chimes; Axl and Hutch try to figure out a way to retrieve a couch they found on the side of the road; Brick tries to come up with a new pretzel snack idea; Sue announces she is back with Darrin.
Stamps and Kim fall out. Boyce and Lolli remember the early days of their relationship.
All the old Broadhill faces are back, alongside some new ones. Derek's happy that his dad's moving in, while Tom and Hannah are taking things to another level.
Philip and Elizabeth's long-planned mission turns ugly, impacting each of them in different ways. Stan digs in deeper at work as his personal life continues to unravel.
Taylor has a bikini car wash fundraiser for Ken, Kolby goes on a trip without her parents' permission, Megan gets in trouble for going on a date, and Tori parties for her birthday and quickly finds...
Ben takes Bonnie to see Bon Jovi to thank her for everything she does for him and Emma.
Kacey gives Dominic an ultimatum about their relationship and is surprised by his answer. Dominic then seeks Tom's advice as to what he just agreed to. An intoxicated Liv is out of control and consumed with jealousy over Ron and Jessica.
The Mirakuru sends Roy into an uncontrollable rage and he unleashes on the city. Oliver realizes the Mirakuru has taken over Roy completely and must figure out a way to stop him.
Jenna tries to communicate with a distant Matty Tamara questions Jake's talent for music.
Nev's enforcer Thorpey is forced to come out about a secret relationship at work.