At the outset, Bryce is attempting to serve a summons on Joseph Watson (but to Bryce's confusion, this was the Anglicised version). As another job, the Excellsior Research Foundation gets appointed by a school to investigate a schoolgirl who's allegedly been stealing building materials from the school's new extension under construction. The school is keen to keep the news about the girl quiet, and to deal with it in-house. It turns out the schoolgirl, the Agnes of the title, had become orphaned, and the woman looking after her had suffered a mild stroke. Just what was Agnes doing? Trouble starts brewing when someone at the school calls the police, and Bryce and Ken get to meet Sgt Blair in investigating Agnes's case. Pat's avoiding both her Aunty and Uncle; and her cousin Bibby for mixed, but related reasons. Her avoidance attempts don't turn out successfully for Pat, and she's introduced to her cousin's new boyfriend Craig, a cabaret singer whose eyes seem to be for anyone female and...