Merrick

In a world ravaged by a mysterious epidemic, a former boxing champion, Stanislas Merrick, lives in isolation, clinging to the hope of reuniting with his missing daughter. His solitary existence is disrupted by the arrival of Esther, a young refugee on the run from a former soldier. As they form a tentative bond, Merrick is forced to confront the harsh reality of the world outside and the demons of his own past.

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Some movies that have similar genres and were produced around the same time as Merrick include The Judge, The Whale, Manchester by the Sea, Living, Four Good Days, Happening.