Sid tries to convince a woman to find alternative care arrangements for her young son. Rob is questioned about the day he lost Marnie in the park, and Valerie decides to take a humorous situation very seriously.

Al's dismissal of a patient with toothache has grim consequences. Meanwhile, Zara has a confession to make through gritted teeth, and Ayesha is determined to get justice at any cost. Mrs Tembe is forced to lie to protect a friend, but it backfires as painful secrets from the past are exposed.