Captain Grogan tells Sean more mysteries about the island -- no phone lines. Alex thinks about a kiss with Gregory when she told him about her cancer, and she's wondering if it means anything. Olivia accidentally hears Alex asking Gregory about Annie. Elizabeth finds Mark's camera on the boat and turns it on. While looking into Sean's bag, she gets attacked by a person in a skull mask. Caitlin leaves to a fertility specialist. Jade lies to Sean about a reason why Jade confronted Cole. Olivia is worried when she hears that Jade is going on the island too, because she might get too close to her son Sean. Cole is searching for a videotape in Annie's house and he finds her almost naked.