

Bryce Davidson married into the Barber family and has never quite stood straight under the weight of it. On New Year's Day, his wife Ginny leaves to collect relatives and asks him to bathe their infant with a towel. Out of some small, stubborn impulse he fills the bathtub instead. The phone rings. He looks away. By the time he looks back, it is too late. In his collapse he hides what happened. He conceals the baby,covers the room, holds himself together through the Barber family's New Year visit. Every attempt by the relatives to see the child Bryce deflects. Ginny watches him, and something in the way he moves begins to pull at her. She can feel the shape of a closed door. She moves toward it.

Former commando Shay Langley, now blind and working as a massage therapist, accidentally boards a rideshare driven by serial killer Jordan Cullen on a rainy night. Using her heightened senses,she identifies his true nature and escapes through combat skills. Jordan develops an obsessive fixation on Shay and relentlessly stalks her with escalating threats. When police doubt Shay's contradictory testimony, she teams up with delivery worker Kit to investigate,discovering the killer operates multiple vehicles. She acts as bait to lure Jordan into a trap and subdues him in darkness using her senses and combat training. After Jordan's arrest, Shay becomes a criminal investigation consultant while Kit pursues a career as an auxiliary officer—together, they stand guard over justice.