Zoe Slater was hit with a tough ultimatum in tonight's EastEnders as she remained evasive about her past. Viewers will know that things have been tense between Zoe and her mum Kat Slater since Zoe returned to Walford, with Zoe staying tight-lipped about what she has been up to for the past 20 years. Kat managed to pull through, hiring Phil's lawyer Ritchie for Zoe, who arrived while Zoe was being questioned. Back at home, Kat continued to question Zoe about her past, but when Kat asked Zoe who the mystery man she was with when she attacked Greg, Zoe refused to answer. Giving Zoe an ultimatum, Kat said: "Until you stop hiding things and you tell me everything.