Continuing the drama series about a teenager who needs to have a heart transplant.
Cameron visits the medical research centre and makes a new friend, but it is a phone call that eventually helps him to decide about the transplant.
(For cast see Tuesday)

Then Rewind: 1997: the Death of the Princess of Wales
Twelve-year-old Laurence Chambers recalls how he mourned for Diana, Princess of Wales, who was killed in a car crash.
(Repeated tomorrow morning on BBC2)