The Murdaughs were one of South Carolina's most powerful and prominent families, but the death of teenager Mallory Beach in a drunken boating accident was the turning point that unraveled their legacy.

When the alleged driver of the boat, Paul Murdaugh, and his mother Maggie are found murdered, a long history of corruption and cover-ups is brought to light.

Episodes of this documentary series feature first-hand accounts from those on the boat that fateful night, including Paul Murdaugh's longtime girlfriend, Morgan Doughty; Mallory Beach's childhood friends, Miley Altman and Connor Cook; Mallory's boyfriend, Anthony Cook; and several others.