S1, E2: Pippa is preparing her research paper and Den and Kim deal with a male referral, but it is problem patient Ivy who dominates the day. Aggressive and deeply unpleasant, she sets a chain reaction in motion that sees Hilary in tears and Kim in trouble. Elsewhere on the ward, life and death continues as normal, but with the MRSA statistics up it seems another crisis is just around the corner. Meanwhile, Den and Hilary are starting to bond.