After Mark had disappeared off into the distance, Alissa let out a sigh before entering her kitchen. The reason why she went to the kitchen, was so she could wash the cup that Mark had made use of. Having too much dishes to wash isn't a good thing, after all. Not only that, but a cup is quite easy to wash, as long as it's not tainted with a great amount of grease.
Well of course, there's a greater reason for Alissa's act of washing the cup. Apparently, it wasn't just coffee that Alissa had given Mark. Alissa had actually added some drugs in the coffee, which would put Mark to good sleep later.
Her little plan, was to get into Mark's mind while he is soundlessly asleep…