"Twelve-year-old Sunny St. James must navigate heart surgery, reconnections with a lost mother, the betrayal of a former best friend, first kisses, and emerging feelings for another girl"--,Provided by publisher.

When Sunny St. James receives a new heart, she decides to set off on a "New Life Plan": 1) do awesome amazing things she could never do before; 2) find a new best friend; and 3) find a boy and kiss him. Sunny's plan seems to be racing forward, but when she meets Quinn, a girl with serious best-friend potential, Sunny questions whether she really wants to kiss a boy at all. As if that's not enough, the reemergence of her mother after years of absence brings buried feelings to the surface. With so much weighing down Sunny's.