Sun is a debt collector unable to successfully collect a debt. Thai is a new debt collector, his rival. Instead of collecting debt, Thai gets Mangkorn in exchange for interest. Sun's father presses him to collect a debt from Athit. Without it, he will go bankrupt. On the way to Athit’s island, Sun meets Talay, a friend and henchman of Athit. Sun plans to get close to Athit through him. Athit is unimpressed and attempts to send Sun back to Bangkok, but Sun stubbornly refuses.