Echoes of a Crime (2022)

Julián Lemar, a bestselling thriller writer, goes on vacation with his family to a cabin in the woods. The first night, during a severe storm, the power goes out and a woman shows up desperately asking for help: her husband killed her son and now he's after her. From that moment on, danger and deception are a constant threat and for Julián a hellish night begins until he discovers the truth.