When it looks as though HSD will not be able to purchase Crestwald, a surprise investor reappears to help. Corey suspects that $20,000 a teenager brings to invest may be drug money.

Marissa dates the U.S. Attorney investigating HSD for insider trading. He lies to her, saying that HSD is not going to be charged, but Marissa learns that Marty and his father are liable. Carson offers to help two youngsters sell a computer game that they invented.