The Moon Pool is damaged after the crystals have been harvested; a comet heads for Earth.
Bella tries to start a relationship with Will, but sees that he's got another girl; Lewis tests the magic water at school and attracts the attention of the science teacher.
Kim tries to ruin Don and Samantha's wedding; Lewis may go to America.
Sophie becomes manager of the cafe; Bella can't stop sneezing.
The girls take their final exams; the water force attacks early.