This shot is of the woman with a quite terrified look on her face, a shadow behind her also and the water being sprayed all over her.
This is the shot of the killer approaching the woman with his knife, shallow focus is used to hide his face.
Both shots have been put together through editing in which demonstrate a meaning and revealing of a relationship between the two characters. The confused but scared look on the woman's face show a sense of mystery along with fear on her face. This is revealed as the killer with the knife cannot be seen.
