Oththa Seruppu Size 7

Oththa Seruppu Size 7

Year: 2019

Runtime: 105 mins

Language: Tamil

Echo Score: 85
ThrillerDrama

An emotionally unstable murder suspect explains the modus operandi behind the crimes he had committed to a few cops which helps in unfolding some intriguing revelation.

Warning: spoilers below!

Haven’t seen Oththa Seruppu Size 7 yet? This summary contains major spoilers. Bookmark the page, watch the movie, and come back for the full breakdown. If you're ready, scroll on and relive the story!

Timeline – Oththa Seruppu Size 7 (2019)

Trace every key event in Oththa Seruppu Size 7 (2019) with our detailed, chronological timeline. Perfect for unpacking nonlinear stories, spotting hidden connections, and understanding how each scene builds toward the film’s climax. Whether you're revisiting or decoding for the first time, this timeline gives you the full picture.

1

Interrogation begins at the police station

The film opens with Masilamani being interrogated as the voices of others echo around the room. The deputy commissioner leads the questioning while some officers debate using coercive methods. A letter from the Human Rights Commission hangs over the investigation, limiting what the cops can do.

Opening scene Police station
2

Masilamani's family crisis surfaces

During the interrogation, it is revealed that Masilamani has a terminally ill son who needs medication. The boy's condition heightens the emotional stakes and influences Masilamani's mindset during the investigation. The tension between family duties and the case adds personal pressure to both sides.

During interrogation Police station
3

Masilamani outwits the interrogation

Masilamani manages to outwit the investigators, appearing cooperative while guarding his deeper truths. A female psychologist is brought in to help break through his defenses and elicit confessions. The dynamic shifts as psychology meets criminal inquiry in the interrogation room.

During interrogation Police station
4

The wife’s death and the mortuary reveal

It is revealed that Masilamani's wife is dead and her body lies in the mortuary, adding a painful personal layer to the case. The discovery intensifies Masilamani's motive and the investigators' curiosity about his past. The scene deepens the mystery surrounding the family.

Before confession Mortuary / police station
5

First murders confessed and the MO is established

Masilamani begins confessing to multiple murders and describes a distinctive modus operandi: a single slipper of size 7 left beside each victim. He links the initial murder to two others, creating a pattern that ties the cases together. The crimes start to cohere into a calculated revenge scheme.

During confession Police interrogation room
6

Backstory: Usha, their son, and motive

He reveals his marriage to Usha and their sick child, whose medical bills strain the family. Usha's alleged affairs are explained as a financial motive rather than mere deceit, shaping Masilamani's grim plan to murder the men he suspects were involved. He contemplates using the slipper MO to signal his guilt and escalate his revenge.

During confession Interrogation room
7

Usha discovers the other slipper, suspects him

Usha finds the other pair of the size 7 slipper and realises Masilamani's involvement in the killings. In a state of panic, she arranges for henchmen to murder Masilamani, escalating the danger around the case. The discovery foreshadows a deadly escalation at home.

After discovery Usha's residence
8

Usha’s affairs were voluntary, not extorted

It is revealed that Usha's affairs were not blackmailed or coerced, but something she pursued willingly. This twist reframes Masilamani's motive and deepens the personal betrayal driving the violence. The dynamic between the couple becomes even more complex and tragic.

After discovery Home
9

Usha dies in a road accident

Usha meets a road accident and dies, while the henchman who aided the plan escapes. Later revelations show the henchman himself is murdered using the same MO, tying the fates of the conspirators together. The tragedy further complicates Masilamani's vendetta.

Following the failed murder attempt Road
10

Masilamani continues the killings

Masilamani persists with his revenge, killing the remaining men who had affairs with his wife. He consistently leaves a single slipper of size 7 beside each body, reinforcing the signature MO. The killings broaden the pattern from personal revenge to a calculated spree.

After Usha's death Various locations
11

A past cover-up linked to a minister

It is revealed that years ago, the head of police helped a powerful minister cover up his brother's murder and inadvertently left the same slipper MO at the brother's body. Masilamani has known about this scandal and possesses proof. The connection elevates the case to a matter of institutional corruption.

Past Police department / minister's circle
12

Police decide to release Masilamani

Faced with the potential exposure of a larger conspiracy involving a minister and a cop, the police opt to release Masilamani to avoid triggering a cascade of disclosures. The legal case dissolves into a cautious political calculation. The decision underscores how power can shape law enforcement outcomes.

Ending phase Police station
13

Masiliamani walks free with his son

The film closes with Masilamani walking out of the police station alongside his son, a grim sense of peace settling over him as he contemplates his wife's death and the truths now hinted at but unrevealed. He carries the evidence and the memory of the case as he steps into an uncertain future. The final image ties personal loss to a larger, unresolved power struggle.

End Police station exit

Last Updated: October 01, 2025 at 13:04

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Characters, Settings & Themes in Oththa Seruppu Size 7

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