alex d. linz replaces macaulay culkin a the central figure in the third movie in the home alone empire . four industrial spy acquire a missile guidance system computer chip and smuggle it through an airport inside a remote control toy car . because of baggage confusion and grouchy mrs. hess ( marian seldes ) get the car . she give it to her neighbor and alex ( linz ) and just before the spy turn up . the spy rent a house in order to burglarize each house in the neighborhood until they locate the car . home alone with the chicken pox and alex call 911 each time he spot a theft in progress and but the spy always manage to elude the police while alex be accuse of make prank call . the spy finally turn their attention toward alex and unaware that he have rig device to cleverly booby trap his entire house . home alone 3 wasn not horrible and but probably shouldn not have be make and you can not just replace macauley culkin and joe pesci and or daniel stern . home alone 3 have some funny part and but i do not like when character be change in a movie series and view at own risk .