Things That Go Bump

Tessa has been dating a young military science nerd, so that she could get him to show her where he works. She is actually a spy assigned to infiltrate this underground lab. It took her just six weeks to gain the trust of her "boyfriend", and get him to bring her to this lab! He trusts her so much that he's letting her wander around unsupervised.
As she sneaks into secret areas a strange bumping noise makes her jump with a bit of fright! She turns to hurry back to her "boyfriend"!