Claire and Wes learn where Sean is heading, and try to stop him from setting off a nuclear meltdown. Meanwhile, Minx meets Henry for the first time and gives him instructions for Drill's game.moreless
After losing nearly all food supplies through a fire, the remaining "100" are forced to go hunting despite the constant threat of the Grounders. Clarke and Finn are caught up in the aftermath of bombing the bridge and may have to pay a high price ... Meanwhile on the Ark: Councillor Kane goes to great lengths to find and save survivors in the repercussion of major destruction.
Elizabeth and Jack get to know each other after he finds oil that points to a widow to possibly burning the church. Elizabeth gets a lead from a student that could put her in danger as she learns the widow had planned to marry after her husband died.
Elizabeth tries to get a student to talk about the accident. As Jack looks in the cause of the fire, Elizabeth’s student is missing and has a lot to tell.
Kevin Crocker returns to St. John's and teams up with Jake in an effort to clear his name; Leslie is forced into the spotlight; Des struggles with a secret and whether he should tell Jake what he knows.moreless
Coal Valley gets more bad news, new miners come to town and now the families that live in those homes have to move out. The women come up with a way to stay in Coal Valley. The plan could put the women in danger. Elizabeth Thatcher comes up with a different plan that will hopefully save their homes.moreless
In order to pay off a debt, Jake investigates a conman; Leslie's suspicions are raised over another officer's behaviour, and a further monkey wrench is thrown into Jake and Leslie's stormy relationship when one of Jake's many exes visits.moreless
Coal Valley finds something at the mining site that has the town upset and wondering who wrote the message on the plank. The townspeople learn loved ones that died in the accident have been found.moreless
In Wonderland, Cyrus tricks the Red Queen and Jafar into sending a Bandersnatch after Alice. In flashback, the Knave of Hearts joins Robin Hood's Merry Men as Will Scarlet and convinces them to break into Maleficent's castle so he can steal an enchanted looking glass.moreless
While Mal and Jake are busy chasing after a hit man, Martin Poole returns to make Rose's life difficult. Tinny makes a decision regarding what path her life will take.
Both Jake and Mal find themselves with the wool pulled over their eyes by a devious client, and Des finds himself strangely connected to the case. A surprise is in store for both Jake and Leslie.moreless
Jake turns to bounty hunting in order to catch a bail-jumper and bring him back to the authorities, but he finds that things are made more difficult by interested parties on both sides of the law.moreless
Jake arrives back in St. John's from his mysterious boat ride, only to find that he's in a worse situation than when he left. Tinny goes too far, and someone new to St. John's is showing interest in Leslie.
Jules and Sam receive some personal news, but don't know whether to share it with the team. While the SRU is called in to stop some ex-soldiers robbing an armored truck with millions of dollars, they learn more about the background of the group leader who tries to maintain a place for ex-army men and women with nowhere to go.moreless
Shawn and Gus land their first non-SBPD case when a widow hires them to find some cash that her husband stole from a bank.