Bang 2017

Overview

Topic: Television series "Bang" (2017).
Role: Meticulous television and film archivist.
Constraints:
Write ONLY verifiable facts from provided SYNOPSIS and SOURCES.
No invention/guessing (titles, names, dates, counts, awards, ratings, etc.).
Original, neutral, encyclopedic prose.
Plain text only (no markdown, no asterisks, no headings, no bullet points).
Word count: 150-190 words.
First sentence must not contain spoilers.
Omit details not in the provided material.
Source [1] & [4]: Synopsis: Loner Sam's life is transformed when he comes into possession of a gun and starts to break the law. His ambitious policewoman sister Gina is paid to uphold it and makes it her mission to find the owner of the weapon. The family saga plays out against an inquiry into the shooting of a local businessman that raises questions for Sam and Gina about their father's murder when they were young children.
Source [2]: Bang is a Welsh bilingual television crime drama series, created by Roger Williams, featuring both English and Welsh. First broadcast on S4C on 10 September 2017.
Source [3]: Cast and crew info (no specific names provided in the snippet).
Source [5]: Mentions "a bang" in a review of Queen of the South. Irrelevant.
Source [6]: Mentions The Big Bang Theory. Irrelevant.
Title: Bang (2017).
Genre: