Verena Noll

SOKO Leipzig is a German police procedural television programme, a spin-off of the earlier German police programme SOKO 5113. It was first broadcast on 31 January 2001, on German television channel ZDF. On 12 November 2008, the first part of a two-part crossover between SOKO Leipzig and British police procedural The Bill was aired, with the same version being shown on both ZDF and British television channel ITV1.

Isabelle spends her ninth birthday alone at home as her mother has to work. While painting at the window, she suddenly receives an unexpected visit from a clown who sends her labeled balloons to the window. But how does the stranger know it's Isabelle's birthday?