▁brother ▁Wei ▁Zh ong ) ▁and ▁Rem on ▁Lim ▁( Sh u ▁X ian , ▁their ▁mother ). ▁ ▁Plot ▁Set ▁against ▁the ▁back drop ▁of ▁Malays ia ' s ▁favour ite ▁sport , ▁Bad m inton , ▁Summer ▁Brothers ▁chron icles ▁the ▁lives ▁of ▁long ▁lost ▁brothers , ▁Wei ▁Zh ong ▁and ▁Ah ▁Di , ▁played ▁by ▁William ▁and ▁C oby , ▁who ▁were ▁separated ▁after ▁the ▁divor ce ▁of ▁their ▁parents ▁ 2 0 ▁years ▁ago . ▁Ah ▁Di ▁who ▁was ▁diagn osed ▁with ▁mental ▁dis ability ▁when ▁he ▁was ▁young , ▁lives ▁a ▁poor ▁but ▁happy ▁and ▁peace ful ▁life ▁with ▁his ▁mother , ▁Sh u ▁X ian ▁( Rem on ). ▁When ▁Ah ▁Di ' s ▁mother ▁finds ▁out ▁that ▁she ▁is ▁about ▁to ▁die ▁from ▁her ▁terminal ▁cancer , ▁she ▁dec ides ▁to ▁un ite ▁the ▁brothers . ▁However , ▁she ▁lost ▁Ah ▁Di ▁during ▁their ▁journey ▁to ▁K ual a ▁L ump ur ▁in ▁search ▁of ▁his ▁older ▁brother . ▁Ah ▁Di ▁is ▁str and ed ▁but ▁made ▁new ▁friends ▁with ▁X iao ▁Me i ▁( L im ▁J ing ▁M iao ), ▁a ▁kind ▁and ▁na ï ve ▁girl . ▁With ▁the ▁un c anny ▁rapport ▁between ▁them , ▁the ▁two ▁become ▁instant ▁bos om ▁bud d ies . ▁ ▁X iao ▁Me i ' s ▁parents ▁died ▁in ▁a ▁car ▁accident ▁and ▁both ▁she ▁and ▁her ▁younger ▁brother , ▁Yu ▁Ch eng ▁( Ad rian ) ▁are ▁forced ▁to ▁board ▁at ▁their ▁relative ' s