Girl in dark forest: picture prompt

Today’s writing prompt and my response.

The last day of this week’s challenge. The story starts here.
Girl in dark forest: picture prompt

Granddad gestured, whispering, ‘Careful now.’

The old man had a gleam in his eyes, which Robert recognised as mischief. He was certain there wasn’t much to be happily mischievous about. It was the way Minna held her knife high, and the care with which she disappeared into whatever was beyond.

When Robert stepped through, he wasn’t surprised to find he ...