I Think We're Alone Now (2018)

Plot

Following a devastating event that wipes out much of humanity, Del has carved out a solitary existence in his deserted town, relishing the peace of his self-made paradise. However, his tranquil life is upended when Grace, a spirited young woman, unexpectedly appears. Her presence challenges Del's carefully constructed routines and forces him to confront the realities of connection and companionship in a world that has drastically changed. As tensions rise, both characters must navigate their evolving relationship amid the remnants of civilization.