San Francisco,

California,

USA,

2015…

Riley's parents moved from Minnesota….

Riley's former home…

And Tom's too…

One year ago,

Riley didn't want to move to San Francisco…

She was completely panicked until…

Until she found out Meg (Riley's Best Friend)'s neighbor was a scientist…

Who was working on a body-swapping machine…

Professor Ion (the neighbor)'s 1st costumer was Riley,

The 2nd person Riley swapped body with was Tom…

Tom was the guy Meg had a crush on…

Riley has a crush on Meg…

Meg's imaginary boyfriends were like Tom…

For Tom, girls were like aliens… strange creatures… difficult to understand and blah blah blah…

Until he swapped bodies with Riley and go to San Francisco with her parents…