Teraise's wish to become a reporter leads her into danger. Matt and Nikki get close.
Regina must face her feelings when her mother disappears.
(Continues on Thursday)
This week's episodes written by Philip Gerard and Rachel Dawson
(S)
Followed by Rewind: 1992: the Earth Summit
Ade Esan reads nine-year-old Andrew Ssenyonga's account of the environmental conference in Brazil.
(Repeated tomorrow morning on BBC2) (S)
Then 1993: Our Friends in the Hills
Gemma Gregory reads from 12-year-old Zlata Filipovic's diary of the war in Sarajevo in Bosnia-Herzegovina.
(Repeated Friday morning on BBC2) (S)