Apologetic, seemingly pristine vlogger and single mother Stephanie is thrown for a loop upon meeting beautiful, libertine (and manipulative) alpha female fashionista Emily when their schoolchildren arrange for a play date. Despite being polar opposites, the two women quickly form a friendship, but when Emily's whereabouts suddenly become unknown, Stephanie has her life turned completely upside down while trying to discover the fate of her new best friend. What initially begins as a straightforward drama eventually shifts tone into the realm of dark comedy and mystery thriller/whodunit, with an array of twists and turns (some which probably wouldn't bear close scrutiny) that seem to have taken a page from the works of Hitchcock! Tonally the film is all over the place, and makes some unusual choices for musical interludes, but it's never dull, often laugh-out loud funny, and benefits from an uninhibited performance from Lively, but it falls apart in the third act with an underwhelming ending that (possibly by intention?) feels like self-parody. **½
