With Alfred no longer willing to hide, Uhtred must get word to Saxon forces to help make a stand against the Danes and save Wessex.
When the Danes attack the castle, Uhtred and the king are driven to the marshlands.
Uhtred and Leofric lead a raiding party to Cornwall. There, they become mercenaries for a Cornish king whose sorceress wife takes an interest in Uhtred. On returning to Wessex the king is furious and commands a dire punishment.moreless
Uhtred takes on a dangerous stealth mission and is left with no choice but to face the formidable Ubba.
Alfred's manipulation of Uhtred leaves their relationship in a poor state. Meanwhile a terrible battle looms over Wessex.
Uhtred proves his worth to Alfred but is forced into taking an English wife, which doesn't bode well for his relationship with Brida.
The young Uhtred of Bebbanburg is raised by a viking warlord after his father is slain in battle.
Marco, Fausto, Obregon and Romina continue to make their escape through the mountains. Eleanor gets what she's wanted the most.
Marco tries to persuade Fausto to surrender while Sonya and Hank join forces with Frye and Adriana. Meanwhile, Linder wants Capitan Robles to pay for his past sins by taking matters into his own hands.moreless
While Marco meets with the Mexican Marines about capturing Fausto, Sonya interviews Eleanor and Frye and Adriana learn more about the extent of the CIA and DEA's involvement.
The aftermath of the Red Ridge stand-off has Hank fighting for his life and a wounded Eleanor doing clean up.
Sonya finds herself in a fight for her life as Marco desperately tries to save her. Betrayed by his organization, Fausto unleashes his revenge upon everyone meeting at Red Ridge.
Marco confronts an old enemy. Later, Frye gets a proposition from the DEA.
Marco gains a new ally. Meanwhile, Charlotte and Ray discuss their future.
It's a race against the clock when Skye leads the team to find Dr. Franklin Hall, who has been abducted by unknown kidnappers.
Grace finally learns the truth about Sam's death and confronts his killer. Meanwhile, Jimmy meets with the Chinese and comes to an agreement with Campbell.
Grace is thrown into general holding, but Mitch continues his investigation. Meanwhile, Alex makes a move to take the leadership and attempts to mend some bridges with him.
Grace tries to comfort Jimmy when he believes that his son has been killed. She must then face Internal Affairs.
Mitch and Grace visit the parking lot where she was supposed to meet the Treasury agent and he warns her not to trust Jimmy with her concerns about Max. Meanwhile, Max discovers Grace's real identity and tells Alec.moreless
Bradley is unhappy about some school rumors and Remo and Dylan set off on a road trip. Meanwhile, Norman starts a new hobby and Norma is caused problems by a mysterious stranger.
Grace and Jimmy investigate an old shooting range and he tells her about the missing money. Meanwhile, Mitch helps Grace gain entry into Santa Rita and Tom and Evie are told to move out for a few days.moreless
Following Charlie's death, Jimmy's crew become nervous and Max makes progress on the missing money. Meanwhile, Grace and Mitch find that a dead Treasury agent may be linked to Sam's death.
Grace uncovers a link between the death of her son and some of Jimmy's men. Meanwhile, Max becomes aware of the missing money and Captain Campbell tells Hernandez to find some dirt on Jimmy.moreless
Jimmy handles the aftermath of the fire-bombing, while Alec attempts to get back in his good books. Meanwhile, Mitch helps Grace look into Jimmy's crew and Max makes a deal with the Chinese.moreless
Normas continues to be suspicious of some of the town folk, while having to deal with other distractions.
Undercover detective, Grace Travis, believes that her work led to her son being shot and killed. In the process of investigating his death, she pursues a connection with crime boss, Jimmy Laszlo.
When Jimmy Laszlo discovers money missing, Grace manages to convince him he has a traitor in his organisation. Meanwhile, Grace turns to Tom for comfort and Mitch has serious doubts about helping her.moreless
Renzo's mom joins the Degenerates to watch their horse in his biggest race yet and two prized colts go head-to-head in a million-dollar showdown. Meanwhile, Ace receives an unexpected visitor.