Heston meets a young woman who spots rare medical symptoms - which could save a person's life. Elsewhere, Niamh is out of her depth and Howard has a proposition for Al.


  • Rob Hollins
  • Karen Hollins
  • Howard Bellamy
  • Dr. Al Haskey
  • Dr. Emma Reid
  • Dr. Heston Carter
  • Dr. Niamh Donoghue
  • Gary Matthews-Peter Gunn
  • Katie Ferris-Laura Elsworthy
  • Jane Andrews-Angharad Baxter