Based on Ladislas Fodor's "Stranger on the Stairs". A loved triangle composed by a cynical entrepreneur, a loan manager, and a seductive secretary will lead to a criminal plot in Cuba.
Carlos, a former factory worker of humble origins, has made millions - but the upper class refuses to accept him as one of their own. Meanwhile, Barbara, the spoiled daughter of an industrialist, is to enter into a loveless marriage of convenience. Tensions arise when the two fall madly in love.
