Current B-grade thrillers so frequently have too little plot — often not much more than a starting premise — that it’s almost refreshing to see something like “The Weekend Away,” which has many more narrative complications than it can pull off. Certainly not with sufficient credibility, suspense or atmosphere, and not in one hectic hour and a half. Nonetheless, this Netflix original plunging Leighton Meester into peril on a Croatian holiday is fast-moving enough to provide a decent night’s disposable home entertainment for viewers whose expectations aren’t geared any higher.

Director Kim Farrant’s last two features both involved suspicions cast on unstable adults over missing children. Whereas in “Weekend’s” missing person scenario, our protagonist is pretty much the sole character who doesn’t end up looking guilty of something or other. London-based American Beth (Meester) arrives in Split for a long-planned getaway with old pal Kate (Christina Wolfe...