Jason King (TV series) as part of a team of investigators. In "Jason King" he had left that service to concentrate on writing the adventures of Mark Caine, who closely resembled Jason King in looks, manner, style, and personality. None of the other regular characters from "Department S" appeared in this series, although Department S itself is occasionally referred to in dialogue. In the course of visiting international locations as part of his research, or through being summoned by people needing assistance, King would be frequently embroiled in adventure stories featuring glamorous women, exotic locations (for the era), menacing villains, political turmoil, or espionage
Jason Grimshaw her to an important modelling job, she mentions that it is 'underwear modelling', so Jason offers to be her driver. With Jason not knowing what a 'green screen' is and the male model going AWOL, Rosie volunteers Jason to step in, and the pair complete the photoshoot together; with Jason looking very pleased with himself when they get home, they sleep together. The next day, Jason thinks he has done something wrong as Rosie is evasive and not paying him for the work he did on the kitchen; she eventually pays him and he buys her a 'fake' version of