'Pishacha'; English: Phantom) is a 2014 Indian Tamil-language horror drama film written and directed by Mysskin and produced by Bala under B Studios.

The film stars Naga, Rajkumar Pitchumani, Ashvatt alongside Radharavi, Kalyani Natarajan, Prayaga Martin and Harish Uthaman.

Siddharth Soundaarajan (Naga) is an upcoming violinist in Chennai, who stumbles upon an accident where a girl (Prayaga) is lying in a pool of blood.

He then drives around the city aimlessly with his red car while helping homeless people, unable to come out of the depression due to the girl's death.

With the help of his friend Badri (Ashvatt), he employs a psychic to exorcise the ghost, but she turns out to be a fraud and is scared out of the apartment by a strange apparition.

When Siddharth's mother Janaki (Kalyani Natarajan), comes to visit him, she is hit by a drunk neighbour (Harish Uthaman), who is abusing his wife (Kani Kusruti).

Siddharth is assured that the ghost of the girl whose life he tried to save is behind all these strange occurrences and goes in search of her family to see if they can help get rid of her.

Realizing that the only way Bhavani can rest in peace is by bringing her killer to face justice, Siddharth and his friends attempt to solve the mystery of her death themselves.

Bhavani's spirit saves Siddharth from committing suicide by cremating her own body that her father had preserved all this time in the ice, thus moving on to the next world.

After receiving positive reviews for Onaayum Aattukkuttiyum (2013), Mysskin was signed up by director Bala to make a film under his production house, B Studios.

[8] The team released a teaser trailer on 15 November 2014, revealing that production had been finished in fifty two days and the project had entered the post-production stage.

The taut screenplay, simple dialogues, excellent characterisation and admirable performances coupled with perfect execution, make Mysskin's Pisaasu a must watch".

Simple filmmaking techniques like camera angles, keen concepts and fantastic sequencing to create a truly terrifying horror experience that is mostly free of blood and gore, makes it an edge-of-the-seat thriller".

But, the climax compensates for this..."[16] Pisaasu released in 212 screens throughout Tamil Nadu and grossed ₹11.8 million on its first day, which was the best opening for a Mysskin film.