Maggie finds herself becoming personally involved when a Polish woman, Ivona, arrives at the police station, escorted by a taxi driver demanding payment. Ivona's grasp of English only extends to ""Daughter"", and Maggie realises the daughter must be in Mt. Thomas. Ivona has an address for some people by the name of McPhee, so the logical place to start the investigation is there. Maggie and PJ quickly discover the situation isn't as straight forward as it looks—Danusha, Ivona's daughter, is an exchange student, whose host family were the McPhees, but she's no longer staying there. The Heelers are directed to a new family the Barnses, who Danusha met through a school friend, Mandy. Their parents are both away, leaving Mandy's older brother, Jason in charge of the house. Both Mandy and Jason claim Danusha is staying back at the McPhee's. Trying to trace Danusha, the Heelers investigate school records, both families, and the coordinator of the student exchange program. Unfortunately, no one