Marnie’s furious when she sees Neeta and Mac on a date. It’s just too awkward for Neeta when Marnie serves them at Nightingale’s and she leaves. Myra inadvertently gives Marnie a wicked plan for payback on Mac – but could it backfire?

Meanwhile, Lisa’s annoyed when she discovers Sonia’s invited Zack to visit her in Belgium. Lisa and Tegan plot to get Leela and Zack back together. Will it work?

Struggling to cope with her schoolwork, Lily asks Sally for an exam extension. When Sally says no, however, Lily plans to cheat.

Also, Mercedes hatches a plan.