Mike has to make a dramatic rescue after a dangerous radioactive isotope goes missing.

Stephen is hurt when Jacqui excludes him from another important step in their baby's development. Henry organizes a team-building weekend in the Lake District for the men at Goddards. There are some icy moments when Alison and Jacqui meet up on a girls' night out.

A new, pretty young nurse arrives at the health center and brings with her a breath of fresh air to the staff.