The Mambo Kings

The Mambo Kings finally get to perform at the Palladium, successfully.  Unbeknownst to them, it was partly due to a secret deal between Néstor (Antonio Banderas) and tycoon Fernando Pérez (Roscoe Lee Browne).  After the show, while driving, Néstor tries to tell his brother César (Armand Assante) about it, but before doing so, he accidentally crashes the car against a tree, dying instantly.
Overcome by  grief, César abandons the band.  However, later on, he pulls the shots and manages to open a club.  In the end, César performs the bolero "Beautiful Maria of My Soul", while looking at Dolores (Marustchka Detmers), leaving no doubt about his love for her.

Thanks, Dr Mat!

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Read more about this film at The Internet Movie Database.