The Lyell team return to the crime scene as another victim isin peril. Family ties are tested to their limits as they revealthe dark secrets that led to the tunnel collapse, and Jack isput in a difficult position when a blast from the past comes tovisit.
Baz and Garrow get closer to understanding their mission whenthey explore the pump control room, and realise they needFulmer to help them - leading to painful consequences forFulmer as he struggles to keep a grip on his sanity. When thecrew's anxieties rise as a glimmer of potential hope turnssour, Magnus finds himself losing his grip as tensions amongstthe group reach fever pitch.
The team returns to the swamp and immediately uncovers moreevidence of a sunken ship; in the money pit, the discovery ofa collapsed structure could mean they have finally located theoff-set chamber.
Kate struggles to market a game-changing yet controversialpill, as Sloane's strategy puts her at odds with an author.While Jenny meets a dead end, Anne meets a new friend in AngerManagement.
The new arrivals on board from the Kinloch Charlie immediatelymake their presence felt, as Pictor head Coake enlists a groupto undermine a weakened Magnus and force their way to the pumpcontrol. But when Coake's motives are investigated and the crewrealise he isn't giving them the full truth, they findthemselves locked in an urgent race for answers with lives atstake.
Scores are settled and mysteries revealed as Coake is pushed toexplain Pictor's plan and the true reason for his missiononboard, Rose and Fulmer work out the horrifying extent ofwhat the coded messages they have discovered really mean, andMagnus must put his personal demons to rest and lead the crewin one final bid for their survival.
Sister Veronica is shaken when a mother reveals a terribletruth about her marriage, whilst Shelagh cares for a baby witha life-threatening condition and Nancy harbours a secret.
Vera is called out to the grim scene of a body found in theback of a burned out car. When identified as a popular localGP, we enter the world of intrigue, betrayal, and lust.
There's a place in the next round on offer, and all the teamshave to do is answer questions like this: Obel Tower / TheTower, Meridian Quay / Glasgow Tower / The Shard. What's theconnection?
The second big Texas matchup explodes: Wormboy from LMR inHouston returns to OKC to prove that his losses years ago wereflukes; the money all comes down to a high-stakes race fordouble-or-nothing.
When Ben leaps into one of five people in an elevator at a 1962nuclear reactor, he must figure which one triggers a bomb thatkills them all. Each time the bomb goes off, he leaps intoanother one of them an hour earlier, resetting the scene.
The fellowship is stunned when evidence suggests that a damlies buried at the end of the swamp, corroborating both FredNolan's theory, and Zena Halpern's Templar map.