6. Duty Bound (2005)

Samantha struggles to cope with the reality of her recent discovery and takes desperate action which leaves her life hanging in the balance. Frankie and Gordon attempt a daring rescue to help a teenager in danger on the weir, while Ken has something to hide from Harper. Jeff's casual encounter with a friend of Lizzie's suddenly turns serious when he realises his career could be at risk.

Release date: 2005-01-23