It is revealed that Joseph is actually Vijaykumar IPS, a highly decorated and honest police officer from Chennai. His life was formerly filled with joy, sharing a loving marriage with Mithra (Samantha) and aiming to create a better world. However, a ruthless politician (played by veteran director Mahendran) destroys his life, leading Vijaykumar to go into hiding to protect his daughter.
Theri wasn't just a box-office juggernaut; it redefined the "police procedural" genre in Kollywood by mixing it with heavy emotional stakes. It solidified the Atlee-Vijay duo, leading to subsequent hits like Mersal and Bigil .
He was formerly DCP Vijay Kumar IPS, a fearless and dedicated police officer who was wiped out of existence after defying a powerful political family to fight for justice. When a traumatic incident forces him to resurrect his former, ruthless persona, Vijay must navigate his duty as a police officer and his responsibilities as a father to protect his daughter and seek vengeance for a lost love.