What Remains

When a couple discovers a decomposed body in their new apartment building, Detective Len Harper is determined to uncover the truth behind Melissa Young's death.death. As he delves deeper into the investigation, he uncovers a web of secrets and lies among the building's residents, including a group of neighbors who are all suspects in the murder. As the investigation unfolds, Harper becomes increasingly obsessed with the case, even after his colleagues close it as a suicide. But the more he learns about Melissa's life,the more he realizes that nothing is as it seems, and that the truth behind her death may be far more sinister than he ever imagined.

You can stream What Remains on: BritBox

Some TV shows that have similar genres and were produced around the same time as What Remains include Severance, The Residence, Evil, Silo, High Potential, School Spirits.