Cunning Young Vixen in a Bikini(1976)

Original title: La zorrita en bikini

A convict is released and is mobbed by "Zorrita", an adventurer, accompanied by her close friend Barbara and a young millionaire, loaded with jewels and kilos. The convict is subject to the maximum erotic attacks, as they intend to involve him in the theft of the jewelry that a marquis of small stature keeps in a safe.