The race is on to save Bessie Boo, and when tragedy strikes in the Highlands, there can be only one man for the job – Sir William Sedgewick, aka Sir Billi (Sir Sean Connery)!
Active senior skateboarding veterinarian Sir Billi goes above and beyond the call of duty fighting villainous policemen and powerful lairds in a battle to save an illegal fugitive – Bessie Boo the Beaver! A roller coaster adventure, Sir Billi braves treacherous ravines and hazardous gullies with his sidekick Gordon the Goat (Alan Cumming) to save Bessie Boo (Valentina Hartmann) and Wee Dave (Jamie Still) as they hurtle down a perilous river.
Meanwhile the villainous Officer McKenzie is on the trail of Bessie! Will Sir Billi get to Bessie Boo first?