The children grow and develop at an amazing rate- and are revealed to have some kind of psychic bond- and almost a “hive” mentality. They tend to travel in a group- and seem very cold and frightening to everyone, even their parents. They begin to show signs of having mind control with the ability to make people do things against their will.
When Lucy’s health deteriorates, sister-in-law Mina asks Van Helsing to examine her- and he immediately knows what the cause is! He prescribes the use of bouquets of garlic all around her sealed room- but Lucy thwarts this preventative- and is found dead!