Technology and trauma come together once again for Christopher Landon’s latest Blumhouse thriller Drop, a fun and satisfying ride through a first date from hell.

Years after the traumatizing death of her husband, widowed mother Violet (Meghann Fahy) is ready to put herself back out there, accepting a first date with the charming Henry (Brandon Sklenar) after three months of online flirtations. But their romantic evening takes a nightmarish turn when Violet begins receiving anonymous drops on her phone with nefarious memes and instructions, while her son is held hostage at home.

With Landon’s visually striking Hitchcock-ian direction, screenwriters Jillian Jacobs and Chris Roach provide a fun tech-driven update on the urban legend that spawned 1979’s When a Stranger Calls (and its fun 2006 remake) as the drops come from inside the house.

Admittedly, the big reveal was mildly predictable after an ensemble of early red herrings, but...