Knuckles embarks on a hilarious and action-packed journey of self-discovery as he agrees to train Wade as his protégé and teach him the ways of the Echidna warrior.

In 1970s Glasgow, an unlikely friendship develops between a bereaved 11-year-old lad and the local bully.

Knuckles embarks on a hilarious and action-packed journey of self-discovery as he agrees to train Wade as his protégé and teach him the ways of the Echidna warrior.