The British in Bed offers a glimpse of today's Britain that is usually hidden from view. In this observational programme seven couples talk with disarming frankness about sex, infidelity, love and marriage. Safely tucked up in their double beds, these couples reveal what they feel about each other, and offer an insight into what makes and breaks a relationship. There are revelations for the contributors too – one couple's love is re-ignited and one couple's relationship starts to founder as the truth comes out...