TheIn-Lawsisahilariousactioncomedystarring5-timeEmmyAwardwinnerPeterFalk(Columbo,TheBrink’sJob,ThePrincessBride)asCIAagentVincentRicardoandGoldenGlobewinnerAlanArkin(Catch-22,GrossePointeBlank)asdentistSheldonKornpett.SheldonisadentistfromNewJersey,Vincenttravelsalotonbusiness.Sheldon’sgotasuccessfulpracticeandVincent’sgotadubiouspast.In48hoursVincent’ssonismarryingSheldon’sdaughterandwhathappensinbetweenwillbringthemtogetherforbetterorworse.ArthurHiller(LoveStory)directsthecarchases,gunfightsandwittyone-liners,extractingperfectchemistrybetweenthetwoleadsastheyadventureacrossSouthAmericatogether.