Release Message:  Johnny and his gang return from the Second World War and meet the mysterious Sir Walter. He warns them of the 'Butterfly Effect', where small causes in the past may lead to big effects in the present. Based on the novel by Terry Pratchett.

Description:  Johnny and his gang return from the Second World War and meet the mysterious Sir Walter. He warns them of the 'Butterfly Effect', where small causes in the past may lead to big effects in the present. Ê Johnny learns this the hard way - his time-traveling exploits mean that he no longer exists, at least not in this life, and his gang have to figure out exactly what they did that caused things to go so horribly wrong.