With the arrival of a staunch new boss, and his integrity as a cop brought into question, Ariki's life gets a massive shake up.

Tricky work politics and personal secrets make it difficult for Ariki to focus on the murder investigation.

Pressure explodes as Ariki’s personal and professional lives collide.

Things get bumpy for Ariki and Tilly as locals throw their weight and privilege around.

Ariki closes in on all the answers, but did he turn his back on One Lane Bridge too soon?