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I Know What You Did Last Summer poster

I Know What You Did Last Summer

Movie 2025 111 min MA 15+ Horror, Thriller, Mystery
AMU 16+ * Quality ★★★☆☆

Our take

I Know What You Did Last Summer reboots the hook-handed slasher about friends hiding a deadly accident. Rated R for bloody horror violence, language throughout, some sexual content, and brief drug use. Expect jump scares, stabbings, teen drinking, and revenge-fueled kills

Story (may spoil tone)

When five friends inadvertently cause a deadly car accident, they cover up their involvement and make a pact to keep it a secret rather than face the consequences. A year later, their past comes back to haunt them and they're forced to confront a horrifying truth: someone knows what they did last summer…and is hell-bent on revenge.

AMU ages are independent editorial opinions. They are not legal classifications and are not issued by the Classification Board, the MPAA, or any other official classification body. Official labels on this site, such as PG or R, come from those bodies or our data sources, not from AMU. AMU guides are not a substitute for official classification. Cuts and details can differ by version. Use them as one input only. You decide what is right for your family.

Violence
Strong
Language
Strong
Sex / nudity
Mild
Drugs / alcohol
Mild
Frightening
Strong
Self-harm / suicide
Sexual violence
Child peril / abuse
Moderate
Bullying / discrimination
Gore / death / weapons
Moderate
Dangerous behaviour
Mild
Eating disorders / body image
Mental health
Gambling
Grief / bereavement
Mild

Details

Violence Strong Bloody slasher kills, stabbings, and accident aftermath drive the horror

Bloody slasher kills, stabbings, and accident aftermath drive the horror

Language Strong Strong language throughout

Strong language throughout

Sex / nudity Mild Some sexual content and teen romance per R rating

Some sexual content and teen romance per R rating

Drugs / alcohol Mild Brief drug use and party drinking among teens

Brief drug use and party drinking among teens

Frightening Strong Hook-handed stalker, jump scares, and guilt-fueled dread throughout

Hook-handed stalker, jump scares, and guilt-fueled dread throughout

Self-harm / suicide No self-harm found in this title

No self-harm found in this title

Sexual violence No sexual violence found in this title

No sexual violence found in this title

Child peril / abuse Moderate Teen friends are stalked and killed after hiding a deadly accident

Teen friends are stalked and killed after hiding a deadly accident

Bullying / discrimination No bullying found in this title

No bullying found in this title

Gore / death / weapons Moderate Bloody horror violence with weapons; franchise-level but not extreme go…

Bloody horror violence with weapons; franchise-level but not extreme gore

Dangerous behaviour Mild Teens hide a crime; story shows consequences but may glamorize party li…

Teens hide a crime; story shows consequences but may glamorize party life

Eating disorders / body image No eating found in this title

No eating found in this title

Mental health No mental health found in this title

No mental health found in this title

Gambling No gambling found in this title

No gambling found in this title

Grief / bereavement Mild Death of a friend and survivor guilt shape the plot

Death of a friend and survivor guilt shape the plot

Talk after watching

  • A cover-up haunts the group one year later. Why do secrets make people vulnerable?
  • The killer targets guilt, not random victims. How does accountability differ from revenge?
  • Friendship frays under fear. Who would you trust in a crisis?