Joe returns to the town, but claims to be suffering from amnesia with no memory of his fellow prisoners. They discuss what to do with him, while at Program headquarters, the Director reconsiders her approach. Meanwhile, Kat and Renbe try to escape San Nicasio and find an answer to many of their questions.

Blake operates on Lola's fake tumor. Dr. Van Sydow performs surgery on the Chief.

Sherlock finds himself being invited to take on what looks to be an ordinary case. A young civil servant is discovered on a railway line with his head caved in. At first it looks like an open and shut case, but not everything is as it seems. Sherlock finds himself involved in a terrifying game of cat and mouse as a crazed bomber pits his wits against him.