Ace of Hearts

Officer Daniel Harding excels as a key figure in the K-9 police squad, working closely alongside his loyal police dog, Ace, who also happens to be his closest companion. The dynamics change when Ace is blamed for viciously attacking a suspect, leading an eager district attorney to persuade the police leaders that Ace should be put down. The movie, Ace of Hearts (2008), is available for streaming here. You can watch it online for free on platforms like cineby or 123Movies.