To come to terms with her past, Isabel plans to revisit her most painful memories from the bunker. The police point out that it is still unclear whether several women have been locked in the bunker.

Isabel recounts the psychological struggle that unfolded inside the bunker, while colleagues and friends of Martin describe the double life he apparently led for several years.

Isabel begins therapy to recall all the traumatic memories. We also hear about how the kidnapping took place - from the initial date to the moment she woke up in the bunker.