Helena receives for the first time a sign of life from Siri, who apparently has no plans to return. The escape is imminent, but first another risky mission awaits, as Helena refuses to leave Himmelsdalen without having found the hammer.

Helena wins over Silva on her side, but an accident happens when he tries to leave the facility. Now all that remains is for Helena and Enzo to carry out their escape attempt - and they are both prepared to do so at any cost.