PLEASE HELP ME I'm tired of this.

1. Underline the sentence when the interior story starts. Explain your answer.

The hikers gathered around the campfire, enjoying the warm evening, the bright fire, and the companionship of friends, new and old. Stories of the day were exchanged. As the sky got darker, the stories turned to past adventures. A quiet man started to speak.

It was spring, a clear evening when I thought it might be my last evening. Behind me, I heard shuffling and the break of twigs. Suddenly, the bushes parted and a huge wolf entered the clearing.