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Similar to The Secret of Two Oceans
The enemy agents from an unknown nation have secret automated facilities set up in the Atlantic and Pacific oceans for the purposes of sinking ships. The super submarine "Pioneer" and it's intrepid crew is dispatched to find the source of these mysterious sinking's...Unknown to the captain, his chief engineer is working for the bad guys, intent on stopping their efforts, at any cost...It seems the real chief had a twin brother who was a circus acrobat who murdered and replaced him.
Vorontsov
Skvoreshnya
Kartsev
Ivashev
Gorelov, inzhener-mekhanik
Druzhinin, assistant commander
Arsen Davidovich Lordkipanidze, professor, ichthyologist
Andrey Nikolaevich, professor, oceanologist
Olga Ivanovna Bystrykh, doctor of the Pioneer submarine
Ivan Nikolayevich Bystrykh, father of Olga Bystrykh
Vasily Ivanovich Bazov, Colonel of State Security
Kartsev, senior lieutenant of state security
Sidorina, administrator of the Intourist hotel in Riga
Pavlik, son of the captain of the ship "Arktika"
March 25, 1957
Vorontsov
Skvoreshnya
Kartsev
Ivashev
Gorelov, inzhener-mekhanik
Druzhinin, assistant commander
Arsen Davidovich Lordkipanidze, professor, ichthyologist
Andrey Nikolaevich, professor, oceanologist
Olga Ivanovna Bystrykh, doctor of the Pioneer submarine
Ivan Nikolayevich Bystrykh, father of Olga Bystrykh
Vasily Ivanovich Bazov, Colonel of State Security
Kartsev, senior lieutenant of state security
Sidorina, administrator of the Intourist hotel in Riga
Pavlik, son of the captain of the ship "Arktika"
