The story behind the crime that occurred in the summer of 2016 in Pioz, a small town in La Alcarria, where the lifeless bodies of a Brazilian couple and their two children were found.
After spending a month at Albanta - a rehabilitation camp for teenagers with problems like drug addiction, low self-esteem, or bullying - trouble teenager Gonzalo commits suicide. A year later, his sister Olivia decides to visit the camp in an attempt to find out why he took his own life. But it seems that Albanta has other plans for her and the rest of its visitors.