 he is killed by a tornado of darts all flying around him, stabbing into him into him slowly killing him.Anna eventually finds out that there is a fourth sister ("Yelena Morozova"), and upon visiting her, the sister says nothing other than that she has left her old life behind, Anna gives the fourth sister her number and says she is expecting her to call.The next day the fourth sister calls Anna, and gives her the dress of the daughters' mother (this is what causes them to not kill her).