Masss

Massu Engira Masilamani
Theatrical release poster
Tamil	மாசு என்கிற மாசிலாமணி
Directed by	Venkat Prabhu
Produced by	K. E. Gnanavel Raja
Written by	Venkat Prabhu Madhan Karky (Dialogue)
Screenplay by	Venkat Prabhu
Story by	Venkat Prabhu
Starring	Suriya Nayantara Premgi Amaren Pranitha Subhash Parthiban Samuthirakani Aravind Akash
Music by	Yuvan Shankar Raja S. Thaman (1 song)
Cinematography	R. D. Rajasekhar Sakthi Saravanan (1 song)
Edited by	Praveen K. L.
Production company	Aadnah Arts Studio Green
Distributed by	Eros International Studio Green Dream Factory
Release date	29 May 2015 (2015-05-29)
Running time	152 minutes
Country	India
Language	Tamil
Budget	₹50 crore (US$7.4 million)
Box office	₹87 crore (US$13 million)

Massu Engira Masilamani (English: Masilamani alias Mass), also known by its former title Masss, is a 2015 Indian Tamil-language supernatural comedy film directed by Venkat Prabhu. and produced by K. E. Gnanavel Raja under his then-newly formed studio Aadnah Arts, it features an ensemble cast including Suriya, Nayantara, Parthiban, Samuthirakani, Premgi Amaren and Pranitha Subhash. Yuvan Shankar Raja composed the music and cinematography was handled by R. D. Rajasekhar. The film was released worldwide on 29 May 2015. A Telugu dubbed version, titled Rakshasudu, was released simultaneously in Andhra Pradesh and Telangana.

The film starts with the murder of ex-commissioner by an escaped prisoner Kamal Ekambaram (Riyaz Khan). The story then shifts to Masilamani aka Massu (Suriya) and his friend Jet Li (Premgi Amaren) who are small-time con artists. Massu meets Manini (Nayantara), a nurse and they subsequently fall in love. While trying to escape after a heist gone wrong, Massu and Jet meet with a car accident, post which Massu starts seeing dead people, with whom he can communicate. Jet had died in the accident and is now a ghost, too. Massu forms a group of loitering ghosts to earn money by performing fake exorcisms and extorting money from scared rich people, while promising the ghosts that he would fulfill their last wishes in return. Meanwhile, Manini who thought Massu was working in a finance company gets to know about the fake exorcisms and leaves him in a heist.