One warm summer night twenty-five years ago, Liza Gold and her friends celebrated their high school graduation with a party on the beach. It should have been the best night of their lives, only one of them never came back out of the ocean.

The tragedy haunted Liza Gold for years. Now, she's a recently divorced working mom struggling to connect with her standoffish teenager daughter Zoe when history repeats itself. Another young woman has drowned at Beach Week, and this time the victim is Zoe’s secret best friend.

Liza begins to suspect that the two deaths are somehow related, which causes her to face hard truths and take an unflinching look at the people she’s called her closest friends for the past two decades. She must discover what really happened to both women before it’s too late.