The Best Episodes Directed By Isabelle Sieb

Lucy exploits her connection with Dhillon to track down an elusive teenager, worried he is being targeted by their prime suspect.

Following a tragic twist of fate, Dhillon teams up with Lucy to track down the mysterious stranger at the centre of the chaos.

Vigil is forced into lockdown as disaster strikes. With communication lost, Kirsten desperately hunts for clues to the source of the threat to Vigil.

Amy is trapped and running out of time, but will assistance arrive too late? On land, Kirsten chases down the traitor’s accomplice. When the traitor on Vigil puts their plans into action, the crew are forced to fight for their lives.

The Nautilus crew spread rumours that the East India Mercantile Company is failing. When the stock price plunges, a shareholder meeting is called for tonight. Nemo and the crew have three hours to scheme their way into that meeting, so they can dissolve the Company forever.

Kirsten closes in on the killer, but their capture reveals the grave threat that Vigil faces. On the submarine, Amy makes a terrifying discovery.

When Nautilus finally arrives at the treasure, they realize that it has not been forgotten at all, on the contrary, it is guarded by wild warriors. Nemo feels that he has led his crew to the end of the world - for nothing.

When it is revealed that Nemo has been too daring and put the crew in danger, they lock him in his cabin and Boniface takes command instead. At the magnetic north pole, the problems pile up. Nemo must unite his divided crew by telling them who he really is.

Dalton looks for ways to rescue her husband without informing the cabinet. But without Toussaint's help, there's no chance of saving him.

With the country in crisis and her husband held hostage, the newly-elected British prime minister turns to the visiting French president for help.

As the UK terror threat level rises to critical, the kidnappers go quiet. The two heads of state discuss a deal that could save them both.