 Robyn s still missing, and now the police are searching for her - they visit the school and try to get an idea of her character. Under some pressure, Mary reveals details about Robyn s boyfriend Adam, but Becky doesn t even know about him. Some skeletons come out of the cupboard too - Julie s bullying, for instance. The police want to interview Alice, but she s now at a different school, and can t be found. The police interview Adam, who admits to dating her once and then giving her the push. Her class go off on a search of their own - and worryingly find the pendant that Mary gave her as a birthday present. Justine s had an offer to spend the weekend with Luke, but she s not so sure if she wants to go. She asks for Mr. Brisley for advice - she is worried about showing herself up at his posh house. Mr. Brisley gives her a lesson in etiquette. Robyn s father shows prejudice against Mary, and her travelling life, when he learns about the nature of Robyn s friend. The police search the travellers  site, but find nothing, other than some resentment. Becky and Gabriel, while out searching near the canal make a disturbing discovery - a submerged bicycle poking out of the water...