The action of the fantastic gangster novel "The Ripper" takes place in Philadelphia in the 21st century. The masters of life in a huge metropolis are becoming powerful transnational companies that have merged with the mafia. In their struggle for a place in the sun, they consider illegal methods - pogroms, racketeering, murder - to be the most effective tool. One of the best performers used by the syndicates in this fight is the heroine of the book, Tikki. She not only has excellent command of weapons and hand-to-hand combat techniques, but has the supernatural ability to transform into a huge merciless beast - a tigress.