When Lauren opens another successful business that intervenes with 0-60, it's up to Baby Steve to take the wheel; the sibling rivalry is on.

Lauren and Baby Steve learn that owning a driving school was never Stevie's dream; Stevie suggests Lauren open her own business within 0-60.

Lauren's new business is thriving in 0-60, so Stevie must make other arrangements to teach his class.

It's Drunk Driving Day at 0-60; students complete sobriety tests and Kassie has a surprise for Baby Steve.

Stevie wants to hand over the wheel to his driving school, but the announcement doesn't go quite as he hoped.