Ambushed by Ulster loyalists, three members of the Miami Showband were killed in Northern Ireland in 1975. Was the crime linked to the government?

When Harold Wilson suddenly resigned as Labour prime minister resigned in 1976, most assumed there was a scandalous explanation. Eventually, rumours began to surface that powerful sections of the Establishment. This eye-opening drama documentary can now reveal how Britain was nearly brought to the brink of a military coup.

An investigation into car bombings in Dublin and Monaghan on 17th May 1974.