Mark's birthday party for Hannah brings good - and very bad - surprises. Kate digs into Sophia's past. Rebecca plays hardball with James.

Cast: Hannah Ware, Miguel Amorim, Albano Jerónimo, Dimitri Leonidas, Stephen Campbell Moore, Olivia Chenery, Zoë Tapper, Gregg Chillin, Lois Chimimba, Eric Kofi-Abrefa, Pallavi Sharda, Simone Kirby, Vivienne Acheampong, Laura Aikman, Kwame Agyei