Masood and Zainab try to put a stop to Yusef's schemes - but the crisis also starts to rekindle their old passions. Phil enlists Ben's help to catch his stalker, while Bianca and Kat hold a joint Christmas party for their families at the Vic, though Pat makes it clear Janine is not welcome. Elsewhere, Christian returns to Walford and is stunned to discover Amira and Syed are planning to move to Pakistan