Having dealt with the secrets of a stranger found on the surface of Kyiv, the school teacher Ion joins the Condor stalker team - the legendary group "Birds." Three months later, they meet a detachment of armed people who demand cooperation from Ion on incomprehensible issues. Word for word - and bullets flew after bullets. A winged death with a mutated consciousness reigns in heaven, a faithful comrade dies, saving everyone from the worst fate, there is no road back, and there is only a mystery of the walled up Red Metro Line ahead. And the guide to her is the girl Albina, who knows more about Jonah than himself.