Tosher: Synopsis Tosher is the tale of a baby discarded as a foundling in the sewers of Victorian London and his subsequent rescue by a Tosher by the name of Jack Tanner. It follows the early part of his life living, training and surviving in the sewers with all its challenges, and the personal challenges he must overcome. Then follows the start of his quest for vengeance following the murder of Jack Tanner, the man he considers to be his father. It deals with the skills and knowledge he acquires, and his interactions and friendships along this journey. The depths to which he will go to achieve his goals, and his drive to overcome his own disability, are a journey into parts of the human mind most people do not contemplate.