in just two hours. marci gonzalez, abc news, new york. >>> now, to the cruise ship industry predicting that a record 24 million people will take a cruise this year, but tonight, one of the largest crew lines is at the center of a lawsuit and facing some tough questions about the safety of its youngest passengers. here's abc's aditi roy. >> reporter: a family is taking on royal caribbean tonight after they say their son nearly drowned while on a cruise ship off florida. >> the most shacking part was when. >> reporter: this woman, of italy, says her 4-year-old son, was found at the bottom of a pool last year after she lost sight of him. >> we were looking for him everywhere. you're frightened. you're scared. but honestly, we didn't think he was going to be found dead or nearly dead. >> reporter: the lawsuit calling on royal caribbean to staff its children's pools with life guards. >> i think, the primary goal here is to raise public awareness of the remarkable danger that there are...