By a misunderstanding two employees of a pharmacy, Alberto and Juan, delivers rat poison to a client.

Alberto, "Zanahoria" and "Jabato" are three students of the Parachute School. They are the "lashing the air," friends, good partners but rivals and competitive in love. When they see Nati, a beautiful woman who falls in love with Alberto, jealousy will lead to situations that jeopardize their great friendship.