While trying to stop his college-age self from falling for Elisa in 1991, Eduard lands in a situation that could keep him stuck in the wrong universe.

In 1991, Elisa accidentally experiences universe travel and confronts Eduard with her suspicions about his true identity. A different tragedy occurs.

Dr. Everest warns Eduard that even a small change can have a great impact, but he ignores her for a second chance at a missed moment with his son.

When Clara and Òscar become convinced Eduard is delusional, he brings them to meet Dr. Everest to prove otherwise. Joan opens up to his son-in-law.

Dr. Everest's mysterious past and scientific endeavors are finally revealed to Eduard, as she shares her own family tragedy.