In the fourth season premiere, a Neolution attack destroys Sarah’s refuge in Iceland and forces her to flee once again. Sarah tracks down an elusive new ally and unearths the next aspect of the Neolution’s agenda. Sarah has a traumatic encounter as she investigates a shocking discovery of Neolution’s biotech.

• Orphan Black - Season 4
• Tatiana Maslany
• Dylan Bruce
• Jordan Gavaris
• John Fawcett
• Grant Harvey