Karl Johnson is a Welsh actor, appearing on stage, film and television. His most notable role to date is the title role in Derek Jarman's 1993 film Wittgenstein and those of Cato the Younger in the television drama series Rome and of Twister Turrill in the BBC costume drama Lark Rise to Candleford.
Adam, a Detroit musician depressed by the direction society has taken, and the enigmatic Eve, who lives in Tangier, are two vampires who have loved each other for centuries. The arrival of Ava, Eve's wild younger sister, jeopardizes their romance.