Latin is a hot-headed dedicated cop in the Crime Suppression Division in Bangkok. She returns home to visit her family and discovers that her sister Areeya is pregnant by a guy she met in Bangkok. The family, especially Lalin, want the deadbeat daddy-to-be to take responsibility, but Areeya refuses to disclose his identity. Lalin sets out to find the unknow man and force him to marry her sister. She mistakenly believes Jornthup is the guilty one. When the reasonable Jornthup refuses to marry her sister, a stranger to him, the angered and determined Lalin forces him to marry her instead. Lalin moves in with his family, planning to take revenge by wreaking havoc on all the members. Fun antics and chaos ensues, especially after the calm and patient Jornthup falls for the impetuous and headstrong Lalin .