The host, seeking "penance," subjects the guests to a series of moral tests. The Climax:
Arjun, a high-flying defense lawyer known for getting the city’s most dangerous criminals acquitted, lives a life of luxury built on "legal lies." His world shatters when his only daughter is killed in a hit-and-run—by a man he once helped set free on a technicality. The Inciting Incident penance filmyzilla best
If you are referring to the British miniseries, it is a highly-rated drama that explored the relationship between a grieving mother and a mysterious young man. Psychological Drama / Thriller. The host, seeking "penance," subjects the guests to