When overscheduled teenager Jake Armstrong and his two best friends are accidentally exposed to an experimental chemical, they become Stretch Armstrong and the Flex Fighters, a team of unlikely superheroes who expand beyond the confines of their lives and embark on a series of adventures.
Hiromi and Kaito end up in a guesthouse run by an ageing surfer and his granddaughter Makoto. The summer passes amidst the comings and goings of guests, each one gradually discovering the others.
Starting from nothing, 13 players compete for a spot in a luxury villa and a shot at 150,000 euros in this unpredictable game of strategy and survival.