free admittance

Image by Bianca Van Dijk from Pixabay

but li’l did agatha jamison know that as she was cooking up her truth serum, her mortal enemy contrived to sabotage it: while she was waiting for the vial to boil, sitting in her living room watching a speedrun o’ tennis, her mortal enemy snuck into the kitchen from the back door & replaced her serum with a serum that would possess its consumer into admitting to any crime incited by it. then her mortal enemy snuck out & peered in thru the window & watched as agatha entered to check on the serum. the blank smile on her face as she stared @ its bubbling bright liquid proved that she didn’t suspect a thing.

Prompt:

entertainment, mixture, assignment