India, June 19 -- Acclaimed South Korean filmmaker Yeon Sang-ho is back in a kind of familiar territory, with Colony, a horror thriller that feels like his return to the genre that really made him into a global sensation. Almost ten years after Train to Busan upended modern zombie cinema, the expectations were understandably sky-high.

A Bioterror Attack Turns a Packed Office Tower Into a Nightmare Zone

The movie opens in a contemporary corporate tower in a busy urban area. The normal biotechnology seminar by a very strong CEO of a firm gets off to a shoddy start when a displeased former scientist crashes the seminar, releasing a deadly biological agent into the crowd. After a few minutes, police cordon off the whole building, and everyo...