An architect and his lover are found dead after a party; Peregrine and James retrace the partygoers' movements, but it's proving difficult.

Peregrine's excitement over her upcoming nuptials is short-lived, when a woman's body is discovered during flight attendant training.

James investigates the murder of a farmhand the day before a wedding at an estate where James's father works; Peregrine tries to help.

At the Melbourne Kennel Club's dog show, a competitor dies and her prized collie is framed for the murder; Peregrine considers a canine companion.

A brawl at a bowling alley between rockers and mods leads to decapitation; when the police arrest Violetta's nephew for the murder, Peregrine tries to prove his innocence.

On race day, the president of the Sandridge Pigeon Club is discovered dead in the coop, covered in feathers and choked by birdseed. While Peregrine works the case with James, Birdie has her own mysterious mission to complete.

The gang gather at the river to relax and distract themselves from their assorted heartaches, but when Samuel hooks a corpse with his fishing rod, a day in the sun turns deadly.