该片是由迈克·尼科尔斯执导的剧情片,于1973年上映，主要讲述了:Dr. Jake Terrell, who has b.een train.ing a pair o.f dolphin.s f.or .many years, has had a br.eakthrough. .He has taught his dolphi.ns to spe.ak and understand Englis.h, although they do have a .lim.ited vocabul.ary. When. the dolphins are stolen., he disc.overs they'r.e to be u.sed. in. an assassination attemp.t. Now he is. in a race to discover w.ho is the. target, and where the d.olphins are, before the att.emp.t is carried. out