sister goes to vet school but starts liking blood

A vampire artist forces her brother to bring her victims so she kill them then paint them with their own blood. The brother falls in love with a young hooker, the vampire's next intended victim, and must choose between sacrificing the girl or killing his vampire sister.

The young and lust filled Blood Sisters find college life the perfect haven for their daily "habit"... Blood. They stalk and seduce their victims by day, then torture and kill them by night. When a chain of strange dissappearances occurs at sexy Tracy's college, fear immediately floods the hallways. Corpses mount at one of the school's sororities. Tracy and her gorgeous roomate, Melissa, join the mysterious sorority hoping to uncover the dark secret. After witnessing brutal slayings, they realize their only salvation lies in the defeat and damnation of the Blood Sisters!

A young woman suffering from mysterious physical ailments is horrified to discover that she is descended from generations of vampires. When she’s with her boyfriend, she struggles to control her peculiar appetite. But it’s in her blood . . .

A vampire who works at a blood bank meets a detective investigating blood-draining murders, she must choose between revealing her true nature and keeping her secrets safe, even as her own desires become increasingly hard to resist.