A high school boy, Top, plays online games day in and day out, spending 400,000 baht a month. As he cannot pass the entrance exam for college, he decides to earn money with roasted chestnuts, but it doesn't go well. His father also fails in business, a huge debt remains and the family breaks up. Losing everything, Top sees his girlfriend eating seaweed, and begins to develop the seaweed snack Tao Kae Noi.
"The Billionaire" is based on the true story of a young Thai entrepreneur and became a big hit. The portrayal of Top, who never gives up and is never afraid of failure, is heartwarming and inspiring. The star is Thai super idol Pachara Chirathivat a.k.a. Peach.