A Russian cellist is subject to a bomb attack following a performance in Ystad. It turns out that the woman is a crown witness in a murder prosecution against a member of the Russian mafia. The member in question is no less than the son of the big boss Leb Munchin himself. Wallander and his colleagues suddenly find themselves in the midst of a war against a powerful international enemy whose methods are merciless. But Wallander suspects that Leb Munchin’s is not driven by money, but by something much deeper. Finally, Wallander finds himself standing eye to eye with an aged criminal who is ready to fight his last battle with all means possible.