In this last episode, as Jenny's own results land in her inbox, she hears how at home DNA tests have brought family secrets - once thought long buried - out into the light.

It's the go-to Christmas present for the person who already has everything. A gift that promises to tell you who you really are and how you're connected to the world.

Across six episodes, Jenny Kleeman meets the men and women whose lives changed forever after they opened a box that contained a DNA test. Exposing scandals, upending identities, solving mysteries and delivering life-changing news - Jenny investigates what happens when genealogy, technology and identity collide.

Presenter: Jenny Kleeman