Chocolate is a dramatic action film from Thailand. The film centers around Zin and her young daughter Zen. Zin is a former girlfriend of a Thai crime boss who happens to fall in love with a Japanese gangster. When found out, Zin and Zen are banished to live near a martial arts school while the Japanese gangster goes back to Japan. Zen grows up watching the students practice Muay Thai. Zin soon finds that she has cancer and needs money to receive chemo treatments. Zen, now a teenager, will stop at nothing to help her mother raise the funds.