The preamble is complicated.
Only the folks who have solved it will be able to help.
Some clues have no definition. For thematic clues,please help on original answers.
7 Jack heading off Caledonian monster (6)
14 Drunken Scottish bloke holding college headgear (8, two words)
46 Soldiers settle at the front (6)
1 He drives a four-wheeler with a child’s horse expert (8)
30 Husband leaving Gasthof to see a musical drama (6)