In 1963 , Ennis Del Mar ( Heath Ledger ) and Jack Twist ( Jake Gyllenhaal ) are hired by Joe Aguirre ( Randy Quaid ) to herd his sheep through the summer in the Wyoming mountains .
In 1963 , Ennis Del Mar ( Heath Ledger ) and Jack Twist ( Jake Gyllenhaal ) are hired by Joe Aguirre ( Randy Quaid ) . They need to look after his sheep up in Brokeback Mountain for the summer .