Secrets come to light for a family in a trailer for "Murdaugh: Murder in the Family," a limited series based on a real-life family torn apart by murder.

Patricia Arquette attends premiere of her directorial debut "Gonzo Girl" at the Royal Alexandra Theatre in Toronto, Canada, in 2023. Arquette portrays Margaret Murdaugh in the series about the family. File Photo by Chris Chew/UPI UPI Brittany Snow arrives on the red carpet at the Academy Awards in Los Angeles in 2024. She plays journalist Mandy Matney in "Murdaugh: Death in the Family." File Photo by John Angelillo/UPI UPI Joey King and Steven Piet arrive for the Women in Film Honors at the Beverly Hilton on October 24. Piet directed "Murdaugh: A Death in the Family." File Photo by Greg Grudt/UPI UPI Jason Clarke attends a photo call for "First Man" at the Venice Film Festival in 2018. Clarke stars as Alex Murdaugh in "Murdaugh: A Death in the Family." File Photo by Rune Hellestad/UPI UPI

Sept. 10 (UPI) -- Secrets come to light for a family in a trailer released Wednesday for Murdaugh: Murder in the Family, a limited series based on a real-life South Carolina family torn apart by murder and financial fraud.

The Hulu drama tells the story of Alex Murdaugh, a lawyer from a prominent family of lawyers in South Carolina's Lowcountry. A judge sentenced him to life in prison in 2023 for the 2021 murder of his wife, Margaret "Maggie" Murdaugh, and 22-year-old son, Paul Murdaugh.

The trailer shows what appears to be a happy and powerful South Carolina family with two young sons. But things turn dark when Paul is involved in a boating accident that leaves a girl dead and the family scrambling to cover things up.

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"We got to have each other's backs," Alex tells Maggie in one scene. "Family first."

Journalist Matney begins investigating the family and uncovers evidence of financial fraud.

"Be careful. These are very, very powerful people," a law enforcement officer warns Matney.

Murdaugh: Murder in the Family stars Jason Clarke (Alex), Patricia Arquette (Maggie), Johnny Berchtold (Paul), Will Harrison as the younger son, Buster Murdaugh, and Brittany Snow (Mandy). Steven Piet directed the project and writers Erin Lee Carr and Michael D. Fuller based the script on reporting by Matney.

The series is expected to drop on Hulu on Oct. 15.