The Ghazi Attack Hdhub4u --39-link--39- Official

Arjun slumped against the sonar console, trembling. He'd won a battle that didn't exist, using a ghost to trick a machine. When dawn broke and the Coast Guard towed the Karmaveer back to her berth, no one believed him. The official report cited a "software glitch."

The Indian Navy, having intercepted intelligence about this mission, dispatches the ageing submarine S-21 for a secret reconnaissance mission. The crew of S-21, led by the aggressive Captain Rann Vijay Singh and the methodical Lt. Commander Arjun Varma (Rana Daggubati), must navigate personal conflicts while facing the imminent danger posed by the advanced Ghazi.

A ping. Clean. Metallic. Active.