The ode to forgiveness and love is lit by twanging guitars, ballads of country music, and an extraordinary performance by Jessica Chastain. Jessica Chastain anchors Heartland, a compelling country music mystery that uses a missing-person case to explore motherhood and redemption. In Netflix’s ‘Heartland,’ Jessica Chastain plays the role of Misty Jones, a former country singer who walked away from stardom to live an isolated life. However, about two decades later, her.