Daisy (Jamie Lee Curtis) is a psychiatrist and a single mother who raises her daughter Anna (Lindsay Lohan) and her youngest son on her own. But Daisy and Anna have always had a bad relationship, and neither of them likes what the other is doing. That day they quarreled again: about Anna's remarriage with her mother, saying that if it were each other, things would end well. Unexpectedly, they changed their identities after reading a small note from a strange old woman. In panic, they had to accept the facts and cooperate with each other to do their own things. during this period, mother and daughter realized their respective lives and feelings. But Daisy's wedding is about to take place, and I can't change my identity back yet.