Len returns to Belfast to discover how eight men helped build the Titanic, sailed on her, and finally died on her. He brings their stories to life as he explores the very building, now derelict, where they once worked.
In London, he meets the man whose great uncle survived the tragedy, only to pay for his life with his reputation. Len learns how, even 100 years on, Titanic still sometimes casts a shadow over the family.
And Len helps two Titanic historians uncover the life of a stewardess who survived the disaster, only to disappear afterwards. Her story leads them to a modern Belfast family who until now, had no idea they had a Titanic connection.