A retired English doctor on holiday in Kenya is arrested by a charismatic political leader for killing his father, a freedom fighter and one of the most important leaders of the Mau Mau Struggle fifty years earlier.
In the ensuing courtroom drama, as a murder charge grows into one of a war crime and long-buried secrets come to light, oaths sworn many decades earlier claim more lives, test personal friendships, strain international partnerships and shape the very future of Kenya itself.