As Raven moves in with her besties, all three are single for the first time; Rachael addresses the rumors that she cheated on Alex; Kaui and Marcus go on a surf date after sparks fly at the yacht party.
A night on the town takes a wild turn for the crew; a lights-on makeout raises eyebrows; the girls question Skye about her outburst; a confrontation while cliff diving has shocking results.
Raven is shaken over Kamalani's behavior, while Kaui and Marcus' date ends in disappointment; Alex and Rachael try setting up dating profiles and a day trip to the beach is clouded over by bad moods.
Kama brings Kaui to her home island of Moloka'i for a reset; Raven is confused about why a friend is snubbing her; Skye's boyfriend wants an answer about their future; Rachael and Alex make a decision.
A weekend getaway ends with skinny-dipping, tears and more than one shared bed; while getting in touch with their culture, several friends get closer to deciding their futures on and off O'ahu.
Kama and Keolu's birthday luau goes off the rails; Kaui invites Marcus but Keolu suggests he go for Raven; Rachael reveals what really ended her relationship with Alex; tensions simmering all summer finally explode.