Director Viknesh’s ‘O2 (Oxygen)’ is a nicely made, engaging thriller that keeps you hooked from start to finish. The story starts off in an unassuming fashion but soon turns into an intense thriller, ...

A woman wakes up in a cryogenic unit with no memory. Quickly running out of oxygen, she must find a way to remember who she is in order to survive.

O2 movie review: The Nayanthara-starrer survival thriller from debutant director GS Viknesh is merely good when it had the ingredients to be great. If there’s something that sets Nayanthara apart from ...

Director Viknesh's 'O2 (Oxygen)' is a nicely made, engaging thriller that keeps you hooked from start to finish. The story starts off in an unassuming fashion but soon turns into an intense thriller, ...