"Breaking News!"
"Guna's mother and sister attempted suicide."
"They're fighting for their lives at a government hospital."
He went to prison for harassing women and got out on bail.
Saranya was the class teacher of Guna's sister Chitra.
Guna would often go to school to service laptops and computers.
That's how he met Saranya.
On the day of the crime, after finishing his computer work...
...Guna must've realized he left his helmet and came back for it.
Saranya was by herself at the moment.
The watchman wasn't there. The place was deserted.