It was a see-saw tie, a tale of three penalties; two scored, one by each team and a third given and then taken away, the most dramatic momentum shift inside a couple of minutes towards the end, the incident that stood to redefine the tie suddenly rubbed out.
It was a night when the controversy pulsed and if it lacked the beauty of Paris Saint-Germain versus Bayern Munich from the other Champions League semi-final first-leg it still had drama; knife-edge tension.