The sea monster appearing in this film is codenamed Subject 1939U, belonging to the same My Monsters universe as Subject 1942X from Morph Spectrum. It inhabits a forgotten sea area and possesses an undiscovered ability to manipulate the weather at sea. The masked figure in the film is one of the biological scientists from Morph Spectrum, searching for traces of 1939U and attempting to contain it for use as a biological weapon.