The Mermaid: Lake of the Dead

Marina (Victoria Agalakova) has seven days to swim into the dark water that took her fiancé Roman (Efim Petrunin), and she is afraid of that water. A drowned woman from centuries ago has fallen for Roman and means to keep him in her kingdom below the surface. Svyatoslav Podgaevsky follows Marina's fight to stay human against the monsters down there, and the one thing she is trying to hold onto is him.