Captain Karun Hanyotin (Mick) received a secret mission from his Air Force Commando Unit. He was told by his commander to guard Dr. Irene Areeya (Cat), a researcher whom he saved from a research facility that was bombed. the researchers were kidnaped by a gaggle employed by an international terrorist organization to help steal an important research study of Dr. Kanchit Areeya (Dr. Irene’s dad), who was also kidnapped by them. Dr. Kanchit’s study is incredibly necessary to the national safety of the country.
Whit Dr. Irene’s live in danger, Captain Karun’s mission was to get married to her immediately. He’s very umcomfortable with the idea of having Dr. Irene disguised as his wife. However, he couldn’t disobey his commander in chief who wanted Dr. Irene to be under the military protection 24/7. Dr. Irene had to change her look, appearance, and identity to avoid the watchful eyes of the terrorist organization. She was given a new name of Airada Hanyotin,the wife of Captain of Captain Karun whom she found be terribly serious and non-talkative. however eventually the two got nearer and Irene was ready to break the smile of the person illustrious to his friend because the “Hard to Smile Tiger”. however can Captain Karun approach this mission?