Gun Metal Grey is a 2010 Hong Kong police procedural television serial drama starring Felix Wong and Michael Miu.
Produced by Terry Tong and edited by Lau Choi-wan and Leung Yan-tung, Gun Metal Grey is a TVB production.
Team A discovers a body of a young woman (Shum Po-yee) inside a kitchen stove that is enclosed with cement.
After further investigation, they find that Shum's "cousin" was actually a past boyfriend who killed the couple in a fit of rage.
"HK viewers in millions" refers to the number of people, derived from the average rating, in Hong Kong who watched the episode live.