Allegiances are firming up as our couples 'Dive for Love' in the Challenge Arena, fighting it out before a brutal elimination sees one couple walk the wharf off Heartbreak Island.

Ash still burns for Jake & on-board Super Yacht Sabre, super couple Chris and Tiarne gather their allies as four newbies enter and Passion Play threatens to break apart the Island's strongest couples.

The Challenge Arena serves up Tarantulas as one disruptor loses her appetite - and tactics turn dirty, shattering one man's dream heading into Heartbreak's second elimination.