When Jack climbs the beanstalk, Siggy and the others believe he is dead, so Siggy inherits the company. However, he is surprised when he finds out Jack is alive. At the end of the film, while he attempts to kill the deceased kindly giant Thunderdell's adoptive daughter Ondine, and Jack, the other giants frighten him away. According to a newspaper headline, due to the public's belief that he has gone insane for claiming that he is being hunted by giants, he is sent to an asylum.