A former FBI agent turned small-town sheriff agrees to help the FBI chief infiltrate the Chicago mafia when the FBI chief’s son is killed by them.

Aarumugam (Suriya) is a thug and dealmaker with a band of boys handpicked from the slums of Chennai. Aaru’s mentor Vishwanathan (Ashish Vidyarthi) protects him because Aaru gives him the violent undercover he needs. When Vishwanathan declares war on his b