The Whispers season 1 episode 5
Episode title: What Lies Beneath
Claire speaks with Sean, who has no memories of her or their life together, and tries to get him to remember something…anything about his past; Wes has an epiphany and heads back to Mali to take another look at the fulgurite, and Lena keeps a watchful eye on Minx to make sure that her conversations with Drill have ceased.
