In this episode, we see how a family are left distraught when two of their dogs are stolen from the "secure" garden. The family launch a massive social media appeal in a desperate attempt to find their two cocker spaniels. They're not alone, with more than a thousand dog thefts reported every year. Most of these pets are never recovered, but a unique DNA database has been created in an attempt to reverse that trend and reunite more animals with rightful owners. Also in this episode, narrated by Rav Wilding, how laser-scanning technology is helping CSIs create 3D digital crime scenes in meticulous detail.