Epizoda 7 (S02E07)

Saga and Martin face a complex puzzle when someone threatens to blow up a chemical plant. They collect all the clues and find a common denominator, confining the perpetrator to a specific area. But is there a single perpetrator or several? And what is the motive? Saga starts to realize that being a girlfriend and living with someone is harder than she thought. Martin has secretly been prying into Saga's past, something he may regret. (BBC)