British cinema has long cemented its legacy of producing creative thrillers, often infusing macabre twists with a wry sense of cynical humor. By the early 1970s, the British film industry had become more daring in subject matter while still relying on the consummate technical professionalism that helped establish it as a leading force in the medium. Presented here are a trio of rarely-seen murder thrillers and mysteries that showcase the types of independent and transgressive work coming out of Britain in the first half of the decade, all of which have been newly restored by Vinegar Syndrome for this release.

Showcasing the beautiful yet under-filmed region of Cornwall, the Giallo-esque CRUCIBLE OF TERROR (1971) by director Ted Hooker finds a group of hippyish youths staying at the seaside home of a reclusive and mysterious sculptor. Their holiday fun is short-lived as they begin falling prey to a vicious mystery killer who’s determined to protect a deadly secret hidden deep in the cliffside caverns. Taking visual cues from Italian horror and displaying a surprising amount of horrible bloodshed, this long-overlooked whodunit is a precursor to the soon-to-be budding slasher genre.

When a young woman is slain by a trench coat-wearing and razor-wielding killer, there’s no shortage of suspects, including her twin sister, boyfriend, and plentiful shady acquaintances. As the mystery unfolds and more people vanish or are murdered, a detective begins to suspect that the crimes might be connected to a prized stamp. A slow-burn hybrid of murder mystery and crime caper directed by acclaimed cinematographer Jack Cardiff, PENNY GOLD (1973) offers twist after twist, leading to a murder-fueled final act, sure to leave one guessing who the real killer is until the end titles.

By day, Neal Mottram operates an unassuming antique shop, while at night, he is the high priest of a small cult worshipping the idol Chuku. After accidentally killing one of his fellow worshipers, Neal offers Chuku her body as a sacrifice, shortly after which he finds himself bestowed with good fortune. Believing that the idol is responsible for his luck, Neal finds more sacrificial victims. Anchored by a memorably unhinged starring performance by Jack Palace, director Freddie Francis’ blending of occult horror and police thriller CRAZE (1974) remains an overlooked gem in the oeuvre of famed producer Herman Cohen.