Mary might have to sacrifice her cousin's life to save her own, as she and Gideon find themselves in unchartered emotional territory.
On the season premiere, Bash’s life is upended when he is reunited with a woman from his past.
Rania's arrival triggers unwanted memories for Bash; Mags can't win her new boss' approval.
A Neolution attack destroys Sarah's refuge in Iceland and forces her to flee once again.
A murder attempt on an injured firefighter draws Team One into the world of serial arsonists.