A bold and expertly plotted page-turner." - Courtney Summers, New York Times bestselling author of Sadie From the author of The Cheerleaders, comes a thriller about best friends on a weekend getaway that goes horribly, dangerously wrong. Three Best Friends, A Lake House, A Secret Trip - What Could Go Wrong? It was supposed to be the perfect prom weekend getaway. But it's clear something terrible happened when Claire wakes up alone and bloodied on a hiking trail with no memory of the past forty-eight hours. Now everyone wants answers- most of all, Claire. She remembers Friday night, but after that . . . nothing. And now Kat and Jesse- her best friends- are missing. What happened on the mountain? And where are Kat and Jesse? Claire knows the answers are buried somewhere in her memory. But as she's learning, everyone has secrets- even her best friends. And she's pretty sure she's not going to like what she remembers.