The Secret was released in the year 1981。The Secret is also called as My Bloody Valentine, Verinen Valentine, San Valentín sangriento, Moja krwawa walentyna, Meurtres à la St-Valentin, Giorno di San Valentino, Carnaval Sangrento, Blutiger Valentinstag。

There's a big valentine-party planned in the little miningtown Valentine's Bluff. It is the first valentine party in 20 years, because then there was an accident in the mine, and the accident happened because the men responsible for the security was at the party. The sole surviving miner killed them, and told the town NEVER to arrange a valentine party again. The party begins, and so does the killing...

The Secret actors and actresses include Helene Udy, John MacDonald, Lori Hallier。