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Mai and Jace Willis are twins. When their parents broke up Mai went with their dad and Jace stayed put with their mum. After 3 years their parents re-unite. Mai comes back instantly falls in love with her brothers best friend, Chace Smith. He also fancy's her back. What will happen when Mr. and Mrs. Willis go out of town leaving Chace and Mai to house sit along with babysitting Mai and Jace's little sister Rosie?