New grandpa Marcus Burnett (Lawrence) has actually chosen to relinquish the force. Unlike previous hazards, he ultimately does it as well as begins to sit back as well as take pleasure in life. However when an abrupt murder effort is made on previous companion Mike Lowery (Smith) as well as it's adhered to by the effective murder of a number of various other authorities, Marcus thinks it might be connected to an instance Mike formerly functioned, as well as he chooses to ride as a Poor Kid Forever, one last time.