An ex-cop, now working as a hack novelist, is called out of retirement to help investigate a string of deaths that appear to be the work of a serial killer but soon are revealed to be the work of the Syngenor - the synthesized genetic organism!
The story follows Boris, a charismatic tour guide who unexpectedly reunites with his estranged father Julián. Their tense and emotional encounters explore past wounds and the possibility of forgiveness.