Philomena (the actress that Andre recruits to be a spy for the British) is actually the infamous Agent 355. She will use her position as a Double Agent to spy on the Brits in New York for the Culper Ring.
Jossed in in episode 3 Abigail is revealed to be 355.
. She will use her position as a Double Agent to spy on the Brits in New York for the Culper Ring.