Kanulu Musina Neevaye (2002)

Boy loves girl, girl hates boy. Girl gets boy arrested. Boy hates girl, girl hates boy - but not really. Boy leaves girl at the altar. Once again, girl hates boy, boy hates girl. Until girl finds out that boy has leukemia, and was trying to save her heartache. So girl loves boy, boy loves girl. Girl needs money to save boy's life. So girl lures boy's doppelganger in order to kill him, pass him off as her boy, and claim the insurance money. Boy finds out, boy pretends to be his doppelganger. Girl kills boy. Girl begins to love doppelganger, doppelganger begins to love girl.