A boy is hit by a car driven by Joe and his father. They rush him to the hospital, where doctors stabilize the child. Joe's father becomes convinced the boy is Joe’s grandson, seeing a resemblance to Joe as a child and believing it a sign from above. Joe dismisses his father's excitement but agrees to a DNA test the doctor requests. The results confirm the child is indeed Joe’s grandson, but the identity of the boy’s mother remains unknown, leaving Joe with urgent questions and an unresolved family mystery.