"We have to get out of here, now," her sister replied. "The facility is on lockdown, and we don't have much time."
Anna's heart sank as she realized the gravity of their situation. They were in grave danger, and she still had so many unanswered questions.
As they reached the exit, Anna's sister turned to her with a serious expression. "Anna, I know you're confused," she said. "But trust me, I'll explain everything once we're safe."
Anna nodded, her mind racing with possibilities. She followed her sister out of the facility, into the bright sunlight...
But as they emerged into the outside world, Anna saw something that made her blood run cold. A group of heavily armed guards, surrounding the perimeter fence...
The guards' eyes locked onto Anna, and they began to move towards her. Anna's sister grabbed her arm, pulling her towards a waiting vehicle...
"We have to go, now!" she shouted, as the guards opened fire...