When 93-year-old Thelma Post gets duped by a phone scammer pretending to be her grandson, she sets out on a treacherous quest across the city to reclaim what was taken from her.Thelma Post is a 93-year-old grandmother who loses $10,000 to a con artist on the phone. With help from a friend and his motorized scooter, she soon embarks on a treacherous journey across Los Angeles to reclaim what was taken from her.