Inference (5)

So the real events that unfolded thirty years ago were different now?

Was it because of their presence that the plot changed?

But the ending... Did they successfully changed it?

The three of them watched the past Lexi got up from the bed and followed the two medical staff carrying her brother's body. The two staff noticed her but they made no objection of her following. 

Not because they don't care. But the staff had noticed Lexi's abnormality. 

What happened to her must be so traumatizing, she never react to what anyone said to her nor respond when called. Her eyes were lifeless and dull. She will only stay beside the two bodies of her brother and friend and refused to leave the room.

But now that they are carrying her brother away, she followed...