Desi and Sebastian set out to explore St Thomas, but things take an unexpected turn when Sebastian runs into an old friend that changes everything.

Desi tries to put aside her worries about Sebastian’s ex, but finds it more difficult than she thought.

After Sebastian tells Desi more about his relationship with Harlowe, Desi spends some one on one time with her to try and to get to know her.

Feeling betrayed Desi turns to Beckett for a fun night exploring the Oasis Of The Seas to take her mind off things.

After some time apart, Desi realizes she wants to try to fix things with Sebastian. But when she finds him, it may be too late.

Sebastian tries to win Desi back before it’s too late, but not before Harlowe confesses her true feelings for him.