Negar Mortazavi speaks to Nazanin's husband Richard Ratcliffe, and their member of parliament Tulip Siddiq, about Nazanin's five-year detention in Iran, the pattern of hostage diplomacy by the Iranian government, the UK's £400m tank debt to Iran, and a family's years-long fight for freedom.
(Music by 127 Band - Design by Mina Jafari)
