The Gallery Summary

Flight and Rebus find the child molester sitting in a park watching children play. Flight begins interviewing him about Kenny Watkiss, threatening him to such a degree that the man finally tells them what they want to know. However, the reader is not allowed to know what it is at this point. Flight warns Rebus to stay away from Watkiss until he has a chance to do something about the situation. Rebus decides to leave the station anyway, causing Flight threaten him with the loss of his job. However, Rebus is no longer thinking of Watkiss, but is focused on the odd behavior of Lisa's secretary the day before. Rebus decides to visit her again.

The secretary confesses under Rebus' interrogation that Lisa is not a professor at the school, but a research student working on a project about criminal profiling...