Anthony and Lulu search for Kate, but does she want to be found? Kate and Fred drown their sorrows and get some advice from Jessica. Colin suffers an unfortunate incident and Sam's life begins to unravel.

Cast: Phoebe Waller-Bridge, Jonathan Bailey, Julie Dray, Louise Ford, Damien Molony, Adrian Scarborough, Amit Shah, Janie Dee, Alison Pargeter, Susan Wokoma, Leo Wan, Matt Jones, Isabelle Kornblau, Gia Labarbera