Three buddies find an enormous hunk of gold.

A corpse is found and Detective Leon Zat is on the case, but he faces personal problems with his wife, Sonja, who is seeing psychiatrist Dr Valerie Somers, who in turn is having her own problems with her husband.

新一季的《追根溯源》講述了八位傑出的澳洲人跋涉全球，發掘祖先秘密的故事。 而這些秘密和故事也將深刻地改變他們的自我意識。