Each of Vedha’s stories is a "riddle" that challenges Vikram’s moral compass:

By the end, Vikram realizes that the line between a hero and a villain is often just a matter of perspective. Why It’s Considered "Deep"

The movie is a modern retelling of the ancient Indian folktale (Vikram and Betaal), where a wise king is tasked with capturing a cunning ghost who tells him riddles to test his judgment. The Core Conflict: Good vs. Evil

Vedha’s stories slowly reveal that some of the people Vikram considered "good" (including fellow officers) are corrupt, while some "criminals" were victims of circumstance.