Inspector Beck and his team get involved in a large-scale smuggling of cesium 133. A gang from the east uses refugees who with a promise to stay in Sweden and with danger to their own life take in the dangerous explosive chemical substance.
A Russian cellist is subject to a bomb attack following a performance in Ystad. It turns out that she is a witness in a murder prosecution against a member of the Russian mafia.
Roland Hassel meets the dangerous Russian mafia.
