“Another Simple Favor” picks up seven years after these events. Like the first movie, it begins in media res with a vlog entry. On “A Pinch of Murder,” a “one-stop shop for hot home tips and cold case flips,” Stephanie updates viewers on the big problem she’s experiencing. Everyone thinks she killed Emily’s new husband.

Paul Feig’s A Simple Favor (2018) strikes a perfect balance between labyrinthine potboiler and sly comedy of domestic (and erotic) manners. The entire cast understood the assign