the_debt_of_time

Dumbledore, which has brought me to my current situation. Reporting on the Dark Lord's
intentions and advising where I can in order to keep you safe."
"Me and Alice," Lily corrected him.
"If you like."
Sirius watched as Lily averted her gaze, unwilling to meet Snape's intense stare.
"And are we safe?"
"Not in the slightest." Snape scoffed. "You should have run the moment you found
out you were pregnant. Potter should have taken you and vanished."
"We can't abandon our friends. We can't leave our world. We have to fight," she
argued.
"You all trust too easily. I've already reported it to Dumbledore, but there is a traitor
in your Order."
Sirius felt as though the floor had been knocked out from beneath him.
Lily's eyes widened, and she gasped. "What? How do you know?'
"Because shortly after I began my role as a spy, I was brought into the Dark Lord's
presence and questioned about my comings and goings," he informed her. "Someone had
reported to him that I'd defected. Luckily, I'm an accomplished Occlumens and was able
to persuade him into believing that I'd falsely offered to aid Dumbledore in order to get
close to him and discover all of his secrets. Right now, I'm supposed to be attempting to
discover your location. Which is why I've been trying to make our former headmaster see
reason and have you and the Longbottoms sequestered, under a Fidelius Charm if needed,
but away from any and all eyes, my own included."
Lily looked like she was taking in all the information. The hand resting on her
stomach tightened protectively. "Should I not trust you, Severus?"
"You should not trust anyone; that is the point." Snape's focus narrowed across the
room, and Sirius glanced away before they made eye contact.
"Would the Fidelius Charm keep us safe?" Lily asked.
"Yes. So long as you choose a proper Secret-Keeper, but therein lies the problem.
We do not know who the mole is. Of course, my Galleons are on Black or Lupin."
Sirius clenched his hand tightly around a butterbeer as James handed it over. He
took several calming breaths in order to stop himself from shattering the glass.
"You're wrong about Sirius and Remus. They would never―"