Hammer Film Productions

The passengers of an old freighter en route to South America find that their voyage is truly damned! The nightmare begins when Captain Lansen (Eric Porter) attempts to transport illegal explosives, and their rusty tramp steamer becomes stranded in the vast floating swamp of the mysterious Sargasso Sea. Under the cover of night, the terrified travelers encounter unspeakable monsters, man-eating seaweed, vicious mutant pirates and stupendously endowed...

Jonathan Harker travels to Count Dracula's castle to act his librarian. Harker--actually there to try to kill Dracula--is first attacked by Dracula's female companion, then killed by the Count himself. Harker's friend, Dr Van Helsing, arrives to investigate his disappearance and swears to track the vampire down and to kill him by whatever means necessary. Voyaging to London, Dracula pursues Harker's fiancée Lucy and her sister Mina. Mina's husband...

Baron Frankenstein works in secret at an asylum for the criminally insane where he continues with his experiments and has access to good body parts.

A young lawyer is ordered to travel to a remote village and sort out a recently deceased client's papers. While he works alone in the client's isolated house, he discovers the vengeful ghost of a scorned woman who is terrorizing the locals. This leads him on a desperate race against time when he discovers her true intent.