Most people who go missing are reported to police within a few hours, but for those who live on the streets it isn't always so straightforward. Aaron hasn't been seen for two months when the homeless healthcare centre that usually treats him notifies Gloucestershire Constabulary that he is a missing person. Officers scour the streets and homeless shelters but can find no trace of him. The town's rough sleepers know him well, but no one has any idea what may have happened to him. It's not long before another drug user is added to the missing priority list - James, who is of no fixed address, has discharged himself from hospital against medical advice. Narrated by Indira Varma