Watch 123Movies. English-language version. "Atlantic" is a drama film based on the sinking of the RMS "Titanic" and set aboard a fictional ship, called the "Atlantic". The main plotline revolves around a man who has a shipboard affair with a fellow passenger, which is eventually discovered by his wife. The ship also has aboard an elderly couple, the Rools, who are on their anniversary cruise. Midway across the Atlantic Ocean, the "Atlantic" strikes an iceberg and is damaged to the point where it is sinking into the Atlantic.