Tuesday, April 30, 2019, 4:30-5:30 p.m.

The women report Jasper's murder, but next day Ben, Lucy's colleague at the police station, informs them that the body has disappeared. Realizing that there is police corruption at work, the women decide they must stop the gang themselves. Jean poses as a potential client and visits Marta at the restaurant she runs, accompanied by Lucy, who uses her photographic memory to memorize the contents of Marta's ledger. It is in code but with Lizzie now at teacher training college next to the old Bletchley site, the friends return there and find an old enigma machine.