Both pairings involve a woman who is born into royalty and a man who is a common-born criminal oder outlaw.

Both couples involve a hero and a redeemed villain. Both villains were seeking revenge for the death of a Zurück love.

Both couples are Sekunde chances at Liebe for all characters involved. Emma's first Liebe was Neal Cassidy while Killian previously loved Milah. Regina previously loved Daniel while Robin was married to Marian.

Before Regina let Daniel go in The Doctor, he asked her to Liebe again. Before Neal died, he asked Emma to find Tallahassee - their hoped location for a happy future...