The teens, Lily and Alex, were in Alex's bedroom, their breathing heavy from their latest round of passionate lovemaking. Lily, a shy virgin before, found herself completely uninhibited with Alex.
"That was amazing," Lily panted, her cheeks flushed with excitement.
"You're incredible," replied Alex, his eyes gleaming with desire.
As they lay entwined, they heard a knock at the door. They exchanged worried glances; it was the middle of the day, and Alex's parents were at work.
The knocking grew louder, more insistent.
"Stay here," Alex whispered, "I'll go see who it is."
Alone, Lily's heart raced as fear crept in. What if it was someone dangerous?
