Is Chloe coming back?

Chloe is described as a thriller exploring obsession, identity, grief, and truth. Becky thinks Chloe has the perfect life. Years after Chloe abandoned her when they were teenagers, Becky still obsessively watches Chloe's life through her picture-perfect social media. But when Chloe dies suddenly, Becky's need to find out how and why leads her to assume a new identity and infiltrate the enviable lives of Chloe's closest friends.

Who was Chloe? What happened to her? And why does Becky think Chloe was trying to send her a message before she died? Through her alter-ego Sasha, Becky becomes a powerful, transgressive heroine, trapped in a dangerous web of lies, only some of which are her own.