Just hours before the opening of its 10th anniversary exhibition, disaster strikes the City Gallery - Molly Adams, the curator, arrives for work to find that her computer and valuable files have been stolen. The 32 paintings in the exhibition are safe, but the accompanying information panels are missing too With no obvious way of identifying which of the 16 artists made each painting, and time running out to remake the information panels, the exhibition opening threatens to be a catastrophe. To make matters worse, Molly discovers that one of the artists has ben bribed by a rival curator to submit a painting that will ruin the reputation of the City Gallery if it is exhibited. At a loss, Molly appeals to the reader for help