A British actor insults a French acting group only to fall victim to a prank that might destroy his career.

Years have passed since the Three Musketeers, Aramis, Athos and Porthos, have fought together with their friend, D'Artagnan. But with the tyrannical King Louis using his power to wreak havoc in the kingdom while his twin brother, Philippe, remains imprisoned, the Musketeers reunite to abduct Louis and replace him with Philippe.

In a remote region of Wales, five travelers beset by a relentless storm find shelter in an old mansion.