林昭五人小队，继续经营陇城与清河，完善军务、医馆和工坊。王浩川赴京应试，高中进士，获授官职，正式踏入仕途，并为清河招揽人才。随着边地形势变化，众人再次面临考验，五人各展所长，凭借现代科技和智慧，整顿内部，抵御外敌。

　　Follows a group of teenagers as they spend the summer at the Belgian seaside while searching for love, friendship and most importantly, for themselves.