Jason has had enough of his parents' arguments. He's running away to stay with his brother in Liverpool. On the train journey he meets a 'runner' called Jam, who lives on the monster Intercity trains and stations. His carefree and adventurous life sounds so exciting that Jason begins to think he mig...

Jason has had enough of his parents' arguments. He's running away to stay with his brother in Liverpool. On the train journey he meets a 'runner' called Jam, who lives on the monster Intercity trains and stations. His carefree and adventurous life sounds so exciting that Jason begins to think he might join Jam. Then Jason discovers Jam's secret.