★ 4.8
★ 5.7
★ 6.5
★ 6.4
★ 7.2
★ 6.8
★ 6.2
★ 6.0
★ 7.3
★ 6.6
★ 4.3
★ 7.4
★ 8.5
★ 5.3
★ 4.1
★ 2.0
Sergeant Friman is developing an automatic submarine detector that piques the interest of both, Swedish and Russian spies.
