Over The Top (1987) ~ Full Movie ~

Tale in which a truck driver with a lucrative sideline in arm-wrestling takes his estranged 12-year-old son on the road after the boy's mother falls seriously ill. The trucker is beginning to reach out to the boy as the pair head for Vegas and the arm wrestling world championships, but the lad's wealthy, unfeeling grandfather sends his thugs to put a stop to the bonding and bring the boy back.