David & Andrew strive to convince the authorities that mass inoculation is the only way to prevent a meningitis outbreak sweeping through Cardale.
Erica is left traumatised by a meeting with her natural father, while Andrew regrets inviting David to go house-hunting with him.
David takes on the Health Authority, outraged that they won't operate on a Down's syndrome heart patient.
A local lad returns to Cardale after travelling the world, but it soon becomes clear he's got something to hide. A phone call from his sister shatters Andrew's happiness.
New locum Nick Goodson arrives at the Beeches and Erica's role as prosecution witness in a controversial child abuse trial makes her the target of a hate campaign.
Erica prepares to visit Andrew in Liverpool, leaving locum Nick Goodson in charge of the surgery, while David tangles with a pair of runaway pensioners in a stolen coach.
Andrew stops dithering and proposes to Erica, but his mind is soon distracted from romance by the plight of a priest suffering from a mystery illness.
Andrew's terminally ill mother asks him to help end her life, while back in Cardale, the past catches up with scheming locum Dr Nick Goodson in spectacular fashion.
David has an unscheduled run-in with old flame Anna Bradshaw, and it isn't long before sparks are flying in more ways than one.
Erica makes a decision over Andrew's proposal, but while looking to the future, a dangerous legacy from the past threatens public safety elsewhere in Cardale.
A woman holds a wounded Andrew and a heavily pregnant Clare at gunpoint, triggering a tense siege.
A woman who agrees to be a surrogate mother finds her decision has far-reaching consequences.
Erica prepares for her hen night, Rob McBride's past threatens to ruin his future.
Cardale prepares for Andrew and Erica's wedding, but a health scare tests everyone to the limit.
