Meanwhile, Mercedes makes herself indispensable to Riley.
Elsewhere, Tilly's disappearance leads Diane to a shocking discovery.
Also today, George and Esther begin their work placement at Company Magazine HQ, but Esther soon discovers how hard it is to make a good first impression.
Writer: Steven Faye (additional material by Jess Lea)
Director: Craig Pickles (additional material by Tessa Hoffe)