Mewnfudwr Tsieineaidd sydd newydd ysgaru a'i fab yn symud i ardal Great Lakes. Mae'r tad, Lee Huan, yn cychwyn busnes pysgota sy'n dal Carp Asiaidd yn unig yn yr afon leol. Fodd bynnag, ni all y mab, Lee Long, ffitio i mewn i'r amgylchedd newydd ac nid yw'n deall cymhellion ei dad. Gyda chymorth Ewythr Kuan, ffrind i'r teulu a biolegydd, rhaid i'r tad a'r mab wynebu eu gwahaniaethau unwaith ac am byth.
A newly-divorced Chinese immigrant and his son move to the Great Lakes area. The father, Lee Huan, starts a fishing business that catches only Asian Carp in the local river. However, the son, Lee Long, can't fit into the new environment and doesn't understand his dad's motives. With help from Uncle Kuan, a family friend and biologist, the father and son must confront their differences once and for all.
