The Lost Girl

After your tasty breakfast Sammy still hasn't come downstairs.
"Sammy get down here and bring Beans", You shout.
But you get no answer. You start to walk up the stairs and when you reach the top you see in the corner of your eye Sammy's bedroom door is cracked open.
"Huh that's strange, she didn't make her bed she always makes her bed", you whisper to yourself.
Beans starts barking even more, so you walk into Sammy's room and realize her windows wide open.
"Who got the key? I always keep the windows locked." You thought to yourself.
You...