Maddie volunteers to make costumes for the school play — but before her glue gun is even warmed up, she’s playing Inspector Mom again! A series of code violations lead to parental tensions, which lead to "accidents" ... which leads to infidelity, grade inflation, and murder! It's a whodunit for the ages as Maddie must unravel the intricate relationships and covert dealings of an ex-vice-principal-turned-nanny all before the curtain rises. The show must go on!