In episode five of season two, the NCIS Sydney team faces a chilling mystery as they investigate the murder of a petty officer whose body is discovered frozen. This gripping episode uncovers a shocking world of seafood trade and human trafficking, testing the team's resourcefulness and dedication. With suspenseful twists and the high stakes of crime-solving in the heart of Sydney, the episode promises intrigue as the agents navigate through secrets and danger to bring justice to the unexpected victim.