Keiko, Audrey, and Jenna have always been best friends, and Keiko desperately wants it to stay that way, but now they are starting seventh grade, and everything seems to be changing; Audrey is obsessed with the idea of them all securing boyfriends, but when she and Jenna focus on the same boy their friendship starts to break apart--and then Keiko finds herself attracted to Audrey's brother, Conner (who has generally been cast as the enemy), and suddenly...

Akiko, Mae, and Josie, also called the Infinity Trinity, spring into action after learning that a spy is betraying secrets to the Japanese military--and that Akiko's mother may be involved.