Hamish's reputation is undermined by a local religious fanatic.
The disappearance of a seafarer leads Hamish into an underwater adventure.
Isobel takes incriminating photos; Hamish is concerned about Isobel's new love interest.
A pirate radio station inspires philosophical debate; Hamish confesses his love for Isobel.
A personal tragedy leads Hamish to a remote island, leaving his replacement to deal with the lawbreakers.
Lachie Jr. is hired by the undertaker to investigate the disappearance of a body from the burial ground.