How can you take the guy your best friend loves . . . when your best friend’s going to die?Alison Chapman has always believed she’d fall in love hard. And she does—with Sam Cody, a new guy with a gorgeous face and brooding eyes, a guy who’s impossible to resist. When Sam asks her to the Valentine’s Day dance, Alison is elated . . . until she finds out that her best friend, Isabella Cates-Lopez, has fallen for Sam, too . . . until she finds out that Isabella is dying. Now Alison wants Isabella’s last days to be her happiest ever—even if she and Sam have to hide their love. Even if, by sharing Sam, Alison risks losing him forever.