Again?

The man frantically looked through the pages of the book and swore.
“Should we try again?” Risa decided to act on her hunch.
It seems like some kind of controlled amnesia.
She extended her had.
“Samantha. Nice to meet you...”
“Arne.”
That was yet another name.
“Good. Arne. Now as I asked before, where is the hidden artefact?”
“Where are we?”
“Let me get the map...”
It took him just a short time to pinpoint the location.
“Alright, let’s go there. Retrace your steps. So you will remember.”
Then she realized something.
“Though it’ll be one heck of a climb.”