When a chef is found dead in a crop circle, alien abduction theories spark as a UFO convention arrives in Brokenwood; but after another death occurs, Mike and Kristin investigate whether the truth is extraterrestrial or all too human.

Young and charismatic priest Canon Zach Mantell shakes up Brokenwood's parish with his unconventional style; but when his wife dies in the church cemetery, Mike and Kristin find clues that point to a murder.

A lavish New Year's Eve masquerade comes to a tragic end following the death of its mysterious host the following morning; as gripping secrets emerge, Mike and the team must unmask the killer among the party guests.

A celebratory vintage train ride ends in tragedy when a bride is murdered and thrown out beside the tracks; as Mike and his team investigate, they must dig through old rivalries and family tensions to find the killer hiding on the train.

Brokenwood's ukulele orchestra rehearsal hits a sour note after a property developer is killed with a snapped instrument; Mike and Kristin look into grudges within the band as the suspects multiply.

When a woman is murdered in Ray's restaurant, Trudy is found at the scene covered in blood and becomes the prime suspect; as Mike and the team investigate, they uncover a web of lies, secrets, and a deadly scheme.