Antonio has saved Sebastian, Viola's twin brother, from drowning in the shipwreck
Sebastian, is in mourning for Viola, and tells Antonio his real name
Antonio wants to be Sebastian's servant, but Sebastian decides to go to Orsino's court
Antonio is in a hostile country where he has made enemies, but he will not leave Sebastian because of his love for him
Imagery of fate is echoed by Sebastian, both Olivia and Sebastian are linked by shared vocabulary to explain events
Parallels between Olivia and Viola are built as we learn from Sebastian that their father died
In romantic comedies, parents are often a barrier to love but in this play, without parents to create obstacles the barriers lie within the characters themselves
Sebastian reveals that him and Viola are twins that closely resemble each other, immediately promising a resolution to the problem of Olivia's love for Viola which arose in the previous scene