Diane Lane and Kevin Costner are heartbroken grandparents ready to do whatever is needed to protect their grandson.

Focus Features new drama, “Let Him Go” opens with retired sheriff George Blackledge (Costner) and his wife Margaret (Lane) at their ranch in Montana spending time with their son James (Ryan Bruce), his wife Lorna (Kayli Carter), and their baby boy. Later that day, James has a fatal accident while riding a wild horse.

Years later, Lorna remarries. Her son, Jimmy, is now a toddler. On her wedding day, she seems uncomfortable around her new husband, Donnie Weboy (Will Brittain). It isn’t until Margaret sees Donnie hit Lorna and Jimmy that she recognizes the problem. When she discovers they have mysteriously taken off to go stay with Donnie’s family; Margaret and George leave their Montana ranch, and set off to rescue their only grandchild from the dangerous Weboy family.

Based on Larry Watson’s novel, the film is directed and written by Thomas Bezucha (“The Family Stone”, “Monte Carlo”). Bezucha has a way of writing compelling family dynamics. Every character has depth. The relationships between the Blackledge family isn’t picture perfect. Margaret and George have a loving and respectable marriage, but they don’t always see eye to eye. And Margaret’s relationship with Lorna is a bit rocky, as Margaret can be overbearing.

The Weboy family is a special, terrifying case; led by their vicious and abusive mother, Blanche (Lesley Manville). She controls her sons and any other man in her life. What these men lack in brains, they make up for in strength and violence. They are an odd and horrifying bunch.

“Let Him Go” is a tense journey, but the scenic drive to their destination is beautiful and adds a brief unexpected tranquility. From the tragic beginning, you’re hooked till the very end. It’s unbearable to think about the pain parents must feel after the loss of a child, but to know their is still a piece of him in their grandchild makes their mission heroic and cathartic.

The film is heavy and there is some graphic violence, but it’s a fantastic story with incredible performances. Lane and Costner are a duo that deserve a longer screen time together than they had in “Man of Steel”. The two feed off each other so naturally. And Lesley Manville is an intimidating scene stealer. You dread her character, but you anxiously await her next appearance.

“Let Him Go” is not exactly groundbreaking, but it is an engaging script and exquisitely shot. The performances alone are enough for me to recommend this watch, but there’s also thrilling action and a powerful story. It’s the perfect movie to watch with the whole family.

Rating: 4.25/5

“Let Him Go” opens in theaters November 6, 2020.