EastEnders legend returns to Walford with fans floored by twist in Zoe stalking plot

An EastEnders icon makes a dramatic return to Walford tonight - amid a huge twist in Zoe Slater's stalking plot. Fans have seen Zoe (Michelle Ryan) receive alarming messages from an anonymous tormentor in recent weeks. The latest episode, which is already available on iPlayer, ends with the cliffhanger of Sam Mitchell's (Kim Medcalf) comeback.