Mike, Frank, Danielle and Robbie continue to double down in Virginia, but hit a roadblock with a seller who won't let go of a one-of-a-kind find.

Mike takes a gamble on a 1935 Auburn that's either a diamond in the rough or a total dud. The guys tread dangerous ground while picking an Iowa Harley enthusiast. And Dave unveils a project one year in the making that's also Mike's biggest-ever investment.