Hy Sinh Cứu Chủ Vô Ơn

Loyal dog Buddy gets a winning lottery ticket as a birthday gift for his owner Mark, letting them move into a fancy mansion. Mark blindly believes the smart dog collar Sarah gave him and keeps falsely accusing Buddy. Buddy tries to expose her plot, but Mark misunderstands him. Badly hurt, Buddy rushes back to fend off the killer targeting Mark...