Cosh Boy

Cosh Boy

Year: 1953

Runtime: 75 mins

Language: English

Director: Lewis Gilbert

DramaCrime

Roy Walsh, a brash and ambitious thug, leads a gang, bullying his friends into obedience. They roam the streets, assaulting and robbing anyone they encounter, but their reckless aggression soon spirals into larger, more dangerous crimes, thrusting them into escalating peril as the stakes grow and the danger compounds.

Warning: spoilers below!

Haven’t seen Cosh Boy 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!

Cosh Boy (1953) – Full Plot Summary & Ending Explained

Read the complete plot breakdown of Cosh Boy (1953), including all key story events, major twists, and the ending explained in detail. Discover what really happened—and what it all means.

Led by 16-year-old Roy Walsh, James Kenney leads a post-war London street gang that specializes in snatching women’s purses, using their membership in a boys’ club as cover. During a club-sponsored dance, Roy meets Rene Collins, Joan Collins, the sister of a gang member, and the pair’s uneasy connection begins to shape the course of events. Over time, Rene submits to his sexual advances, an arrangement that leads to a startling consequence.

Later, upon visiting a doctor, Rene learns she’s pregnant. She tells Roy, who wants nothing more to do with her, and Rene’s crisis deepens as she attempts suicide. Meantime, Roy’s mother, Elsie Walsh, Betty Ann Davies is seeing Bob Stevens, Robert Ayres, who pressurefully urges a quick marriage so he can claim authority over Roy. He promises to “take Roy in hand,” a notion that fuels Roy’s growing hatred for Bob.

Bob is the assistant manager at the Palindrome dance hall, a detail that situates the gang’s activities in a familiar urban space. One evening, Roy’s gang robs the Palindrome’s box-office take, and during the heist Roy shoots a staff member, leaving him seriously wounded. Later that night in a hospital, Rene’s mother witnesses her daughter’s recovery from her suicide attempt and rushes to Elsie’s flat with a mob of concerned women, shouting for Roy to be brought forward. Bob arrives, urging Rene’s mother to go home, and then he kicks in the door to Roy’s bedroom, where the boy has taken refuge.

Bob decides to give Roy a hard lesson, and the scene builds toward its tense apex as the belt he wields becomes a focal point. The police arrive just as Bob is ready to administer punishment, and he claims to be Roy’s stepfather, having just married Elsie that very morning. The senior officer offers a quiet, ceremonial nod, even as he and his partner consider arresting another gang member and returning for Roy later. Bob begins to thrash Roy as a crowd of women outside cries out in Roy’s name, while the detectives walk away into the night, leaving the outcome unresolved and the violence momentarily suspended.

Last Updated: October 09, 2025 at 11:06

Mobile App Preview

Coming soon on iOS and Android

The Plot Explained Mobile App

From blockbusters to hidden gems — dive into movie stories anytime, anywhere. Save your favorites, discover plots faster, and never miss a twist again.

Sign up to be the first to know when we launch. Your email stays private — always.

Unlock the Full Story of Cosh Boy

Don't stop at just watching — explore Cosh Boy in full detail. From the complete plot summary and scene-by-scene timeline to character breakdowns, thematic analysis, and a deep dive into the ending — every page helps you truly understand what Cosh Boy is all about. Plus, discover what's next after the movie.

Cosh Boy Timeline

Track the full timeline of Cosh Boy with every major event arranged chronologically. Perfect for decoding non-linear storytelling, flashbacks, or parallel narratives with a clear scene-by-scene breakdown.

Cosh Boy Timeline

Characters, Settings & Themes in Cosh Boy

Discover the characters, locations, and core themes that shape Cosh Boy. Get insights into symbolic elements, setting significance, and deeper narrative meaning — ideal for thematic analysis and movie breakdowns.

Characters, Settings & Themes in Cosh Boy

More About Cosh Boy

Visit What's After the Movie to explore more about Cosh Boy: box office results, cast and crew info, production details, post-credit scenes, and external links — all in one place for movie fans and researchers.

More About Cosh Boy