A possible concise summary is:
A girl pranks her boyfriend by pretending to be pregnant with a fake test. She records his shocked and scared reaction and reveals the prank after he argues with her. She shows the video to his mom and they laugh.
Here are the key facts extracted from the text:
1. The text is a transcript of a prank video where Molly pretends to be pregnant with Brian's baby.
2. Molly bought a fake pregnancy test that says positive and hid a camera behind Brian's TV to record his reaction.
3. Brian was shocked, scared and angry when Molly told him she was pregnant and wanted to keep the baby.
4. Molly revealed the prank after Brian got very upset and argued with her about their options.
5. Brian's mom and Molly's camera were also involved in the prank.
Is this what you were looking for?