Determined to win the school's big Eco Challenge, Millie goes green and insists the whole family make do without the internet for a week. Mike's not hard to persuade, so off goes the wifi! Craig and Lauren are livid and join forces to out-green Millie until she cracks: no hot water, no lights, no heating. Dad is cynical about Millie's chances of changing the world, and when Fran finds out why, she takes him on a journey into his own past. When Millie's favourite band release their new video exclusively online, she's caught in her own green trap, and Craig and Lauren relish seeing the tables turned.