Robin (Jonas Armstrong) returns from the Holy Land obsessed with hunting down Guy of Gisborne (Richard Armitage) and avenging Marian's murder, while his men try to convince the despondent outlaw that the country still needs someone willing to stand up to the evil Sheriff (Keith Allen). Friar Tuck (David Harewood) joins up with the Merry Men in the third season of this exciting BBC series, while the Sheriff forces the local abbot to betray Robin.