Movies that take place mostly over the course of 24 hours, as a protagonistís best-laid plans for a fun night out on the town go horribly awry, are a Hollywood staple. Neil Simon struck comic gold with the concept more than 40 years ago with Jack Lemmon and Sandy Dennis in The Out-of-Towners. Martin Scorsese added a decided edge to the formula several years later in After Hours. And more recently, Tina Fey and Steve Carell worked the idea over to moderate success in Date Night. The Erwin brothers, directors of the inspirational October Baby, retool the concept with three moms and prove that a zany night out, in which ever...