It's Robbie's toughest trip yet as he battles through water weed on the Bradley Arm and gets stuck in silt on the Ridgacre Branch. His problems continue when a rope gets wrapped around his propellor on the Walsall Lock flight. With all these obstacles will he make it to his destination of Anglesey Basin?

Robbie discovers a mysterious message in a bottle on the Ashby Canal and calls in to meet a mate who lives on an historic narrowboat. Along the way he's forced to carry out a running repair, when the Naughty Lass breaks down in rural Leicestershire.