As Slade unleashes his wave of Mirakuru-enhanced soldiers on Starling City, Oliver and his team prepare to take them on. Meanwhile, Malcolm returns to town to meet his biological daughter.
Arrow battles Slade, which results in one of his friends going to the hospital. Meanwhile, Thea hits her breaking point, forcing Oliver to choose between her or Slade.
The Huntress returns to town to kill her father, who has been arrested. Oliver promises Sara that he'll stop his ex-girlfriend. However, when Huntress takes a courthouse hostage, including Laurel, Sara steps in. Meanwhile, Roy realizes the cost he must pay to keep Thea safe.moreless
Elizabeth has to put on Coal valley Founder’s Day, Jack helps the only coal mine survivor accept what happened to him help his family also come to terms with it.
Abigail wants reopen the café but the business deal she will have to make may keep the dream from coming true. Jack and Elizabeth have to figure out if they still love each other after Elizabeth found out Adam’s secret.
Jack is disappointed because a coal miner suddenly likes Elizabeth, causing Jack to keep an eye on the coal miner and wonder what his motive might be. Abigail gives comfort to a widow who is about to have a baby.
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.
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
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
A deadly illness sweeps through Starling City. When Diggle is struck down, Oliver confirms that the source of the illness is a new version of Vertigo. Tracking down a lead, Felicity is soon captured by The Count, who has escaped prison. Meanwhile, Moira fights for her life in the courtroom against a death sentence, and Laurel is forced to prosecute her when DA Donner is stricken down by the same illness.moreless
The killer: Sarah Muller; the victim: high-priced attorney Shawn Mitchell.
Sarah, a grocery store clerk who is involved in a messy divorce and custody battle kills attorney Shawn in what looks like a home robbery gone wrong. As the investigation unfolds, Angie is preoccupied with her son Manny's on vandalism charges.
Oliver is arrested for murder and insists that Laurel defend him, putting her at odds with her father. However, when Oliver offers to take a polygraph test, Laurel asks him if there was anyone else on the island... and the vigilante remembers his first encounter with the mercenary Deathstroke.moreless
Desperate to shake her geeky girl high school persona, Dr. Emily Owens couldn't be happier to star work as an intern at Denver Memorial Hospital. Much to her dismay, she discovers that her new workplace and her old high school environment have much more in common than she originally thought.moreless
A Larsen family secret has Sarah's full attention. Stan confronts his past transgressions while Mitch protects a runaway girl. Richmond receives unexpected company.
While Sam and Dean are busy on a hunt, Bobby recruits an old friend to investigate a case from his past.
When an innocent family's car explodes in front of their east side house, the parents seek Balagan's help to find out why they were targeted. Balagan identifies with their son, Colin, a teen too afraid to leave his house since the bombing. Also, Balagan is distracted by the arrival of a reigning world chess champion which distracts him from his work with devastating consequences. Meanwhile, Pippa struggles with what she learns from Rosemary's autopsy report.moreless
Jaime continues to gradually adjust to her new bionic life - all while trying to maintain the normal aspects of her human life. She also befriends a stranger who knows more about her than she thinks, and later goes on her first mission.moreless