A (Ad Infinitum) is a Telugu-language medical thriller that blends science, suspense, and emotional drama. The film follows Sanjiv (Nithin Prasanna), a man suffering from amnesia who is rescued by an NGO and begins a new life. He falls in love with Pallavi (Preethi Asrani), a dedicated nurse, and they marry, raising a daughter, Amrutha (Baby Deevena).

Despite leading a seemingly normal life, Sanjiv is haunted by recurring dreams of his forgotten past. As he digs deeper with the help of his journalist friend, he uncovers connections to a long-running scientific experiment related to brain ageing. Meanwhile, police officer Vishnu (Rangadam) investigates a series of child abductions, which eventually tie into Sanjiv’s mysterious history. The film explores his struggle to reconcile past and present while questioning the ethical implications of science.

Highlights
Unique premise exploring brain ageing and memory loss
Suspenseful investigation and thriller elements
Strong performances by Nithin Prasanna and Preethi Asrani
Compelling background score enhances tension

Drawbacks
Slow and overlong first half
Occasional scientific inaccuracies and illogical sequences
Overcrowded narrative with too many subplots
Requires patience to follow due to extended runtime (~153 minutes)

Verdict
A (Ad Infinitum) is a slow-burn medical thriller that blends science, suspense, and family drama. While the concept is intriguing and the performances are solid, the film suffers from uneven pacing, a draggy first half, and occasional lapses in logic. For viewers who enjoy concept-driven thrillers and don’t mind a measured narrative, A (Ad Infinitum) offers a decent watch.