A cop falls in love with a karaoke singer, while her violent, and psychotic gangster-boyfriend, known as Prince, is away on business.A cop falls in love with a karaoke singer, while her violent, and psychotic gangster-boyfriend, known as Prince, is away on business.A cop falls in love with a karaoke singer, while her violent, and psychotic gangster-boyfriend, known as Prince, is away on business.