Complex sentence: Regina then looks back on the doorstep to see the townspeople who had gathered to take Regina away, with Henry waiting behind her with the rope, ready to tie Regina to her apple tree which had been planted in the center of the town.
Split into simpler sentences: Regina then looks back on the doorstep to see the townspeople who had gathered to take Regina away. She sees Henry waiting behind her with a rope, ready to tie Regina to her apple tree which had been planted in the center of the town.