"For fans of We Were Never Here and Nine Perfect Strangers, a twisty, escapist suspense about a mysterious wellness retreat center harboring violent secrets. A perfect paradise? Or a perfect nightmare? On a river deep in the Mexican jungle stands the colossal villa Xanadu, a wellness center that’s home to an ardent spiritual group devoted to self-help guru Paul Bentzen and his enigmatic wife Kali. But when, mysteriously, Paul suddenly dies,...