Alfie comes up with a ruse to prove to Ian that he cannot trust Mandy, and Kat happily plays along - but the plan leads to an embarrassing misunderstanding. Yusef puts yet more pressure on Zainab to leave Walford with him, Syed is shocked by Amira's news (he's the only one) and Tyler tries to make amends with Whitney. So, it's all business as usual.