Walt points to a place behind Lydia and Todd and exclaims, "Oh look - Hush Puppies!" Then, while they are distracted, he deftly and smirkingly slips the ricin into Lydia's chamomile tea. There's your alternate and equally unbelievable scenario.
Re: “"Breaking Bad": The good and bad of the finale”
Walt points to a place behind Lydia and Todd and exclaims, "Oh look - Hush Puppies!" Then, while they are distracted, he deftly and smirkingly slips the ricin into Lydia's chamomile tea. There's your alternate and equally unbelievable scenario.