Having grown up in both Ireland and France, presenter Liz Bonnin has a truly international background.

Here, Liz heads to the Caribbean to investigate her parents’ roots. Her mother’s family went to Trinidad from India to work on the plantations, but her great-great-grandfather built his way up to become a successful shop owner.

There are mixed emotions, however, as Liz travels to Martinique to investigate her father’s line.

Although she is horrified to learn her family were slave owners, she uncovers the far more complex story of her three times great-grandfather and his father, who flew in the face of convention with regard to their slaves…