In the final episode of the fourth series Mercedes and the hen party search for the missing Jenifique on the deserted island, as a white-water rafting incident throws the boys into turmoil. Meanwhile, Silas finally puts his murderous plans into action, and Duncan tries to lose his virginity.
The McQueens wake following their ordeal at sea to find they are now stuck on a deserted island. Meanwhile, Warren worries Seth might have committed suicide, and Silas prepares to teach Theresa a lesson.
Mercedes has doubts about her future, and when she and the McQueens are kicked out of a club in Ibiza, they all end up stranded on a fuel-less boat in the middle of the sea. Meanwhile, Duncan tries to impress his latest crush, and in Wales, groom-to-be Riley becomes attracted to Mitzeee while Seth's thoughts take a grim turn.moreless
Mitzeee lands in trouble with a rival group of stags, and Seth turns to Warren for help, and ends up revealing a secret to best man Doug. Meanwhile, Theresa falls into Silas's trap after signing up to a dating website. And having reunited with her family in Ibiza, Michaela introduces her new sweetheart.moreless
In the fourth series of Hollyoaks Later, as the village's residents embark on another series of misadventures, as Riley and Mercedes' respective pre-wedding parties get underway. As the groom and his friends head for Wales, the hens set off for Ibiza. However, the holiday island clearly holds bad memories for the bride. Meanwhile, Mitzeee gatecrashes the stag do, and Duncan and Ricky attend Fit Camp.moreless