He also hears from his wife , who has heard rumours of the infidelity he pretended in Malta for intelligence reasons ; he sends a letter to reassure her via Wray , unaware of the latter 's role as a French agent .
He also hears from his wife , who has heard rumours of the infidelity he pretended in Valetta , Malta with the red - haired Mrs Fielding for intelligence reasons . 
 He sends a letter to reassure her via Andrew Wray , unaware of the latter 's role as a French agent .