On Start the Week Kirsty Wark asks what it is to be a man, and to belong to a tribe. Thomas Page McBee has sought answers as he's transitioned from female to male, and explored how far the violent men of his youth are models of masculinity. Fatherhood and aggression take centre stage in Gary Owen's play, Killology, in which he's created a video game that allows players to live out their darkest fantasies. The poet Kayo Chingonyi moved to Britain when he was a child and in his debut collection he translates the rites of passage of his native Zambia to his new home. In the TV drama Ackley Bridge, filmmaker Penny Woolcock imagines a new school that throws together two communities, segregated along ethnic lines, in a fictional Yorkshire mill town.