Nosferatu.After having a nightmare about dying like the test dog at the rocket crash site, Irina's performance in training begins to decline considerably. Worried, Lev takes her to the infirmary, where it's revealed that Irina is suffering from anemia. With human treatments seemingly having no effect on her, Lev figures that Irina needs to drink blood to regain her strength. Unwilling to let Irina's dream slip away, Lev offers to let Irina drink his blood, which she agrees to. Afterwards, her strength returns, and she asks how Lev deals with the fear of an accident, and he reassures her by telling her their dreams should be something they'd be willing to risk their own lives for...