After Scotty is granted therapeutic leave after a head injury, Kirk and Bones take him to Argelius II to visit a nightclub that has a sort of gypsy/Arabian Nights theme going on. Scotty seems to be recovering nicely and chats up a dancing girl named Kara. Kirk and Bones decide to leave Scotty alone with his new friend, but stop when they hear a screech from an alley. Kara is dead and Scotty is standing over her as if in a trance. Tropes for this episode include: