American tourist, Rick Randal visits Bangkok on vacation, meets Sonia, a beautiful Thai girl and becomes accidentally enmeshed in a drug deal. Convicted and sentenced to five years in prison he agrees to go under cover with Police Lieutenant Jipthep to find the source of the amphetamines. The trail takes the three of them from the slums of Klong Toey in Bangkok to the hills of Chang Mai and into Burma. Someone is trying very hard to murder Rick on the way. Find out why in this fast-paced adventure thriller.