Sully and Ty are still studying for their law entrance exam. Doc is back and takes charge. Barnes wants a plea bargain and gives up Buford. Kiely is seriously ill, so Carlos is tested to see if he's a match for organ donation.
Cruz and Bosco work with the FBI, which is pursuing the elusive, drug-dealing biker; Doc demands the keys to the emergency bus when he teams up with Carlos; Carlos gets grievous news about his daughter.