The Whistlers (2019)

Name: The Whistlers
Released: 2019

A Romanian police officer, determined to free from prison a crooked businessman who knows where a mobster's money is hidden, must learn the difficult ancestral whistling language (Silbo Gomero) used on the island of Gomera.

Genres: Thriller, Crime

What to watch after The Whistlers

The Translators (2019) — Same feel: complex, smart
Police, Adjective (2009) — Corneliu Porumboiu directed both
Sleeping Dogs (2024) — Same feel: complex, tense
Racer and the Jailbird (2017)
Transsiberian (2008)
Smoke & Mirrors (2016) — Same feel: complex, smart