Carl is a US Navy Shore patrol officer who is based at the Holy Loch naval base in Scotland. Armed only with a nightstick, his primary function is to ensure that sailors on shore leave do not become too rowdy, and to provide help to sailors in need of assistance. Carl is married to a local girl and their relationship is at breaking point - she wants to leave Scotland and settle in America while he wants to remain in Scotland. With his brother-in-law Willie, who is already estranged from his wife and under threat of redundancy from his shipyard job, the two men forge a friendship to help each other through.
A 19th Century photographer travels to the North of Scotland to document the fishing industry, where he falls in love with one of the Gaelic-speaking fish gutting girls.
When the TARDIS is in need of repairs, the Doctor and Peri are forced to land on Varos, a mining planet whose population is entertained and enslaved by a sadistic system of public torture and execution, and find themselves the latest unwilling subjects in this most extreme form of reality TV.