Secret Sharer (2014)

On a rusting cargo ship in the South China Sea, it's the young Polish captain's first command. His mutinous Chinese crew suspect him and his unscrupulous Boss of planning to scuttle the ship for an insurance scam. When the crew abandon ship, the young captain is left alone on board, helpless, anchored in a bay. That night while waiting anxiously on deck, he finds a naked body floating in the sea below, tangled up in the ship's rope ladder. Pulling the ladder, the captain discovers a Chinese woman in distress. She climbs on board, saying only "Hide me". Dawn comes a few hours later and so does a search party, looking for a murderer.....