Spenser (Mark Wahlberg) - an ex-cop better known for making trouble than solving it - just got out of prison and is leaving Boston for good. But first he gets roped into helping his old boxing coach and mentor, Henry (Alan Arkin), with a promising amateur. That's Hawk (Winston Duke), a brash, no-nonsense MMA fighter convinced he'll be a tougher opponent than Spenser ever was. When two of Spenser's former colleagues turn up murdered, he recruits Hawk and his foul-mouthed ex-girlfriend, Cissy...

After returning from a wedding reception, a couple staying in an isolated vacation house receive a knock on the door in the mid-hours of the night. What ensues is a violent invasion by three strangers, their faces hidden behind masks. The couple find themselves in a violent struggle, in which they go beyond what either of them thought capable in order to survive. Written by Anonymous