 Kei Kok's principal, Lu Kwong-fai (Liu Kai-chi), receives fundings from the District Board with the support of District Officer Mr Tsang () to establish the territory's first Chinese teenage baseball team, which he believes can turn bad students good.Acting also as the coach, Lu recruits Lung, Wai and eight of their fellow schoolmates, who all live under uneasy conditions, to the baseball team named the Shatin Martins.He enforces strict discipline so as to remind the members to work and behave as a team, especially after their first humiliating defeat to a junior team.