Watch Online Free on Watchseries. Scarlette is a firm believer in Karma, and a fun night out on the town is ruined when she catches her mortal enemy with her ex-boyfriend. This sends her into a manic spiral. At this point, Scarlette is gifted a book of black magic and a switch goes off. With the powers that the book holds, Scarlette discovers that revenge is far more satisfying than forgiveness.