The idea is that two thieves in a fantasy setting are breaking into the house of a noble well-guarded by wards, spells, and such. A very typical fantasy setting. One is a fairly expert thief with a full set of tricks up her sleeve. The other is a novice, ambitious, but unskilled. They get caught and she manages to take the blame somehow (does she step up for it, does he stick her with it?). Feeling guilty about it (and perhaps somewhat attracted to her), he confesses at her trial but to no avail. In the end he uses a disguise to trick the guards and free her. He admits that while she has far more skill than he (something he’s loathe to admit at first, especially to a girl), he’s glad he had skills enough to free her.