Andi, Bowie and Bex are surprised by an impromptu visit by Bowie's mother; while hanging out with T.J.'s friends, Cyrus faces a dangerous situation; Buffy and Jonah learn a secret about their school principal.

Andi gets in over her head when she attends a high school party with Amber, causing Bowie's plans for a romantic outing with Bex to go awry; Cyrus tries to mend a longtime rift between Jonah and T.J.