Due to her controversial methods, young doctor Tatiana Yurievna is on the precipice of losing her medical license. Her career may not be over, though. After she's recruited by the military, Tatiana is brought to a secure science research facility to assess a very special case, that of Konstantin Sergeyevich, a cosmonaut who survived a mysterious space accident and has returned to Earth with a unique condition: something is living inside of him that...