Five teenage couples face the toughest job of all - parenting. In this unique social experiment, five teenage couples move in together and look after other people's babies... babies who will be swiftly replaced by toddlers, pre-teens, teens and finally the elderly and infirm.

With nappies, toddler teething, teenage tantrums and old-age incontinence to deal with, will their relationships survive the stresses and strains of adult life? And what will they learn about themselves and their assumptions of parenthood? Fast-forwarding these teenagers straight into adult life with four weeks of non-stop babysitting might just prove to be the ultimate contraceptive...

In their first week the teenagers must start real jobs, Experience 'pregnancy', attend ante-natal classes and prepare for the arrival of a child. The real thing will arrive at their doors very shortly...