Ema left the home and stepped into the lovely of the last few days, and every step she took seemed to her an effort against her contradictory feelings.

Ema could not drive off this awful feeling of being followed as she came closer to Caroline’s secret cabin. She halted for a while and was searching around the trees in anticipation of finding anything that appealed to her but nothing happened. The pins and needles at the back of her neck remained with her.

Pushing aside her anxiety, Ema stepped over to the cabin and executed the coded knock: They have a rapid three taps, and then two slow ones. As...