In 2018 there were more than 2.5 million accidents in Germany in total, nearly 400.000 people were injured – many of them heavily. 3.270 road users lost their lives. On the other hand mobility is a must for us today. Driving with the car, riding the motorcycle or bike – the Germans love their autonomous possibility to move along and even the economy depends on flexible mobility on the streets. But how can we prevent people from paying with their lives? Plan b talks with police officers, traffic planners and victims of traffic accidents. Which ideas and strategies for more safety on the streets are making an impact and which technical innovations make driving a car more reliable? Can rethinking on a political level save lives? And what can we Germans learn from our European neighbours about safety in traffic? These questions are answered in this movie.