While Alex, Colie, Jenn and Tyrie are hiking up a mountain for their Outward Bound training, the group becomes closer. However, Tyrie has to stop when he gets an asthma attack. Back at the Denver house, Brooke, Davis and Stephen go out for a drink an... (more)d while Brooke decides to go to a spa, Davis decides to rejoin his other roommates and goes back to Outward Bound. Alex, Colie and Jenn make it to the summit of the mountain with their instructors, Chris and Raleigh. When the roommates return to Denver, Brooke greets them at the door in her bathing suit, disappointing Colie and Jenn.