January 1954. Mists cover the hills around Selchester. Someone at the research facility known as the Atomic is leaking secrets to Soviet Russia, and when nuclear scientist Bruno Rothesay goes missing, the British Intelligence Services are convinced he's the mole. Hugo Hawksworth isn't so sure. Then a body turns up, and Hugo's instincts are proven correct. But if Rothesay wasn't selling secrets to the Soviets, who is? As Hugo digs deeper into...