Slasher (2016)

S4E3 In Trust

After a horrifying murder shakes them to their core, the surviving members of the Galloway family come together to devise a plan to flee the island. However, they soon discover that the deadly contest is relentless and won't let them go easily. As buried secrets from their past emerge, the strain on Seamus and Christy’s marriage intensifies, pushing them further away from one another and complicating their escape efforts.