Shane is assigned to rescue Howard Plummer, a man working on a top-secret government project, from a group of Serbian rebels. He and his team manage to get Howard off an enemy boat. Moments later, they are both shot while boarding the escape helicopter. Howard is killed in the attack, and Shane spends two months in the hospital.
After being released, his captain assigns him a new mission to go undercover as a babysitter to Howard's children to locate the missing file known as "Ghost". He meets them, who show a disliking to him from the beginning.