C302 And I lost everything after that

It was midnight when the front door of the Moretti Residence opened. The sound was so small and barely audible, but Isabelle heard it from upstairs. Her heart stopped for a second. She immediately stood up from the bed and wrapped her robe tightly around her. She walked out of her room, but then as her hand touched the doorknob, she paused. She felt like she couldn’t move anymore