Biopic about 1970s Welsh marijuana trafficker Howard Marks, whose inventive smuggling schemes made him a huge success in the drug trade, as well as leading to dealings with both the IRA and British Intelligence. Based on Marks' biography with the same title.

Once again tampering with mother nature to disastrous results, Dr. Herbert West continues his research while serving time in a maximum security prison for his previous exploits. West's limited prison-cell experiments are suddenly interrupted by the arrival of a new prison doctor and the brother of the girl who suffered from West's experiments 13 years earlier.