Gus is on to Nacho, and that isn’t good. After replacing Hector's heart pills with fakes, Nacho's plan to get rid of his boss -- and protect his father -- seems to finally worked when Hector collapses during a tense meeting with Juan Bolsa.

But there's something Nacho didn't plan for in all of this, and that's Gus Fring. Watch this intense scene from Season Finale to see Gus spring to action to try to save his enemy. Even worse, Gus seems to have sneaking suspicion about what's gone down. Can that be anything but bad for Nacho?

Watch the season finale of Better Call Saul on amc.com and AMC apps for mobile, Xbox One, Apple TV, Roku and Chromecast.

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