A woman from West Haven, Utah, had to sell off 75% of her faux flower business in order to keep it alive; two men from Sausalito, California, pitch a way to test mercury levels in a single fish; a former corporate executive from Houston, Texas, has a platform to help people pursue their passions; and a millennial from Pittsburgh, Pennsylvania, is looking to finance her fashion brand geared toward the social media generation. Also, an update on Wicked Good Cupcakes, which Kevin O’Leary invested in during season 4.