Antham is a 2016 Indian Telugu-language suspense thriller film written and directed by GSSP Kalyan.
Kalyan Krishna (Charandeep) and Vanitha (Rashmi Gautham) are a working couple who lives in Hyderabad.
Kalyan goes to Vijayawada for work, leaving his wife in Hyderabad.
During his return journey, an unknown person (Vasudev) calls Kalyan and threatens to kidnap Vanitha if Kalyan does not oblige his demands.
With no choice left and worried about the safety of his wife, Kalyan agrees to follow the instructions given by this unknown person.