ADA Cabot offers the defendant a deal, if he pleads guilty to one count of rape in the second degree she'll recommend a sentence of 10 years in prison. However as a class D felony rape in the second degree carries a maximum sentence of seven years, it would actually be unlawful to sentence someone convicted of one count of second degree rape to 10 years.
After Eliot puts the handcuffs on the bus driver and leads him over to the car, you can see that the bus driver isn't wearing the cuffs, he's just holding them in his hands.